Create README.md

[monica-cheng1]

Greptile Summary

The PR adds a top-level README explaining the Samples & Data block, its supported inputs, outputs, workflow role, use cases, and common setup questions.

• Dataset — A named, typed collection that maps imported files to samples. The README newly documents supported dataset types, multiple datasets per project, and pattern-based mapping.
• Metadata — Sample attributes used to group or compare downstream analyses. The README explains table import, direct entry, column mapping, and downstream reuse.
• Multiplexing — Splitting pooled files into per-sample data using barcode columns and rules. The README newly describes this import-time workflow.
• File issue — A reported import problem such as an unmatched pattern or missing mate. The README defines these diagnostics and their role during setup.
• Samples & Data — The initial Platforma block that imports data and assigns sample metadata. The README establishes its purpose, specifications, use cases, and ecosystem links.

Confidence Score: 4/5

The PR appears safe to merge after correcting the non-blocking workflow-direction terminology in the output description.

The documentation is otherwise internally consistent and introduces no runtime behavior, but one user-facing sentence reverses the established direction of data flow.

Files Needing Attention: README.md

Important Files Changed

Filename	Overview
README.md	Adds comprehensive user documentation; one output description incorrectly calls consuming analysis blocks “upstream” instead of “downstream.”

Prompt To Fix All With AI

### Issue 1
README.md:22
**Reversed workflow direction**

Calling the consumers of these datasets “upstream” contradicts the README’s description of Samples & Data as the starting block whose outputs feed downstream analyses, making the documented workflow direction confusing.

```suggestion
* **Output:** one or more named datasets mapped to samples, with sample metadata attached, consumable by every downstream analysis block.
```

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

_{Reviews (1): Last reviewed commit: "Create README.md" | Re-trigger Greptile}

Greptile also left 1 inline comment on this PR.

[greptile-apps]

Reversed workflow direction

Calling the consumers of these datasets “upstream” contradicts the README’s description of Samples & Data as the starting block whose outputs feed downstream analyses, making the documented workflow direction confusing.

Suggested change

	* **Output:** one or more named datasets mapped to samples, with sample metadata attached, consumable by every upstream analysis block.
	* **Output:** one or more named datasets mapped to samples, with sample metadata attached, consumable by every downstream analysis block.

Prompt To Fix With AI

This is a comment left during a code review.
Path: README.md
Line: 22

Comment:
**Reversed workflow direction**

Calling the consumers of these datasets “upstream” contradicts the README’s description of Samples & Data as the starting block whose outputs feed downstream analyses, making the documented workflow direction confusing.

```suggestion
* **Output:** one or more named datasets mapped to samples, with sample metadata attached, consumable by every downstream analysis block.
```

---

For each issue above, determine whether it is valid and should be fixed. If so, fix it directly.

Note: If this suggestion doesn't match your team's coding style, reply to this and let me know. I'll remember it for next time!