Add DHI contribution license agreement

.github/workflows/cla.yml

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+# Signatures live in DHI/cla-signatures, so a contributor signs once for all DHI repos.
+name: CLA
+
+on:
+  workflow_call:
+    secrets:
+      CLA_SIGNATURES_TOKEN:
+        description: Token with write access to DHI/cla-signatures
+        required: true
+
+jobs:
+  cla:
+    if: (github.event.comment.body == 'recheck' || github.event.comment.body == 'I have read the CLA Document and I hereby sign the CLA') || github.event_name == 'pull_request_target'
+    runs-on: ubuntu-latest
+    steps:
+      - uses: contributor-assistant/github-action@v2.6.1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          PERSONAL_ACCESS_TOKEN: ${{ secrets.CLA_SIGNATURES_TOKEN }}
+        with:
+          path-to-document: https://github.com/DHI/.github/blob/main/CLA.md
+          remote-organization-name: DHI
+          remote-repository-name: cla-signatures
+          path-to-signatures: signatures/cla.json
+          branch: main
+          allowlist: dependabot[bot],github-actions[bot]

CLA.md

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+# Contribution License Agreement
+
+This Contribution License Agreement ("Agreement") is agreed to by the party signing below ("You"),
+and conveys certain license rights to DHI A/S and its affiliates ("DHI") for Your contributions to
+DHI open source projects. This Agreement is effective as of the latest signature date below.
+
+This Agreement is the [Microsoft Contribution License Agreement](https://opensource.microsoft.com/pdf/microsoft-contribution-license-agreement.pdf)
+(updated 2017.04.26), which Microsoft Corporation dedicates to the public domain under
+[CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/), with "Microsoft" replaced by "DHI"
+and the governing law changed to Danish law.
+
+## 1. Definitions
+
+"Code" means the computer software code, whether in human-readable or machine-executable form, that
+is delivered by You to DHI under this Agreement.
+
+"Project" means any of the projects owned or managed by DHI in which software is offered under a
+license approved by the Open Source Initiative (OSI) ([www.opensource.org](https://opensource.org))
+and documentation offered under an OSI or a Creative Commons license
+([https://creativecommons.org/licenses](https://creativecommons.org/licenses)).
+
+"Submit" is the act of uploading, submitting, transmitting, or distributing code or other content to
+any Project, including but not limited to communication on electronic mailing lists, source code
+control systems, and issue tracking systems that are managed by, or on behalf of, the Project for the
+purpose of discussing and improving that Project, but excluding communication that is conspicuously
+marked or otherwise designated in writing by You as "Not a Submission."
+
+"Submission" means the Code and any other copyrightable material Submitted by You, including any
+associated comments and documentation.
+
+## 2. Your Submission
+
+You must agree to the terms of this Agreement before making a Submission to any Project. This
+Agreement covers any and all Submissions that You, now or in the future (except as described in
+Section 4 below), Submit to any Project.
+
+## 3. Originality of Work
+
+You represent that each of Your Submissions is entirely Your original work. Should You wish to
+Submit materials that are not Your original work, You may Submit them separately to the Project if
+You (a) retain all copyright and license information that was in the materials as You received them,
+(b) in the description accompanying Your Submission, include the phrase "Submission containing
+materials of a third party:" followed by the names of the third party and any licenses or other
+restrictions of which You are aware, and (c) follow any other instructions in the Project's written
+guidelines concerning Submissions.
+
+## 4. Your Employer
+
+References to "employer" in this Agreement include Your employer or anyone else for whom You are
+acting in making Your Submission, e.g. as a contractor, vendor, or agent. If Your Submission is made
+in the course of Your work for an employer or Your employer has intellectual property rights in Your
+Submission by contract or applicable law, You must secure permission from Your employer to make the
+Submission before signing this Agreement. In that case, the term "You" in this Agreement will refer
+to You and the employer collectively. If You change employers in the future and desire to Submit
+additional Submissions for the new employer, then You agree to sign a new Agreement and secure
+permission from the new employer before Submitting those Submissions.
+
+## 5. Licenses
+
+a. **Copyright License.** You grant DHI, and those who receive the Submission directly or indirectly
+from DHI, a perpetual, worldwide, non-exclusive, royalty-free, irrevocable license in the Submission
+to reproduce, prepare derivative works of, publicly display, publicly perform, and distribute the
+Submission and such derivative works, and to sublicense any or all of the foregoing rights to third
+parties.
+
+b. **Patent License.** You grant DHI, and those who receive the Submission directly or indirectly
+from DHI, a perpetual, worldwide, non-exclusive, royalty-free, irrevocable license under Your patent
+claims that are necessarily infringed by the Submission or the combination of the Submission with the
+Project to which it was Submitted to make, have made, use, offer to sell, sell and import or
+otherwise dispose of the Submission alone or with the Project.
+
+c. **Other Rights Reserved.** Each party reserves all rights not expressly granted in this
+Agreement. No additional licenses or rights whatsoever (including, without limitation, any implied
+licenses) are granted by implication, exhaustion, estoppel or otherwise.
+
+## 6. Representations and Warranties
+
+You represent that You are legally entitled to grant the above licenses. You represent that each of
+Your Submissions is entirely Your original work (except as You may have disclosed under Section 3).
+You represent that You have secured permission from Your employer to make the Submission in cases
+where Your Submission is made in the course of Your work for Your employer or Your employer has
+intellectual property rights in Your Submission by contract or applicable law. If You are signing
+this Agreement on behalf of Your employer, You represent and warrant that You have the necessary
+authority to bind the listed employer to the obligations contained in this Agreement. You are not
+expected to provide support for Your Submission, unless You choose to do so. UNLESS REQUIRED BY
+APPLICABLE LAW OR AGREED TO IN WRITING, AND EXCEPT FOR THE WARRANTIES EXPRESSLY STATED IN SECTIONS
+3, 4, AND 6, THE SUBMISSION PROVIDED UNDER THIS AGREEMENT IS PROVIDED WITHOUT WARRANTY OF ANY KIND,
+INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY OF NONINFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A
+PARTICULAR PURPOSE.
+
+## 7. Notice to DHI
+
+You agree to notify DHI in writing of any facts or circumstances of which You later become aware
+that would make Your representations in this Agreement inaccurate in any respect.
+
+## 8. Information about Submissions
+
+You agree that contributions to Projects and information about contributions may be maintained
+indefinitely and disclosed publicly, including Your name and other information that You submit with
+Your Submission.
+
+## 9. Governing Law/Jurisdiction
+
+This Agreement is governed by the laws of Denmark, and the parties consent to exclusive jurisdiction
+and venue in the courts of Denmark.
+
+## 10. Entire Agreement/Assignment
+
+This Agreement is the entire agreement between the parties, and supersedes any and all prior
+agreements, understandings or communications, written or oral, between the parties relating to the
+subject matter hereof. This Agreement may be assigned by DHI.
+
+## Signing
+
+You sign this Agreement, and accept its terms for Your present and future Submissions to DHI, by
+commenting on Your pull request with the exact sentence:
+
+> I have read the CLA Document and I hereby sign the CLA
+
+If You make Submissions in the course of work for Your employer, Section 4 applies and "You"
+includes Your employer.