feat : Enhance README with troubleshooting and FAQ sections

[Dippp10-ally]

Description

Added Troubleshooting and FAQ sections to the README to help contributors and users quickly find solutions to common issues and frequently asked questions. This improves the documentation, onboarding experience, and self-service support.

Related Issue

Closes #1738

Type of Contribution

• Bug fix
• New feature
• Documentation update
• Refactor
• GSSoC contribution

Participant Info

• GitHub username: Dippp10-ally
• Contribution level (Beginner/Intermediate/Advanced): Intermediate

Screen Recording

Not applicable. This is a documentation-only change and does not introduce or modify UI, interactive functionality, or application behavior.

Recording / Loom link: N/A

Checklist

• I have read the contribution guidelines
• My changes follow the project structure
• I have tested my changes in Chrome, Firefox, and Safari
• bun run lint passes (no ESLint errors)
• bunx tsc --noEmit passes (no TypeScript errors)
• New interactive elements have aria-label / accessible names
• No console.log statements left in
• This PR is related to a valid issue
• Screen recording attached above — Not applicable for documentation-only changes

[vercel]

@Dippp10-ally is attempting to deploy a commit to the magic-peach1's projects Team on Vercel.

A member of the Team first needs to authorize it.

[github-actions]

👋 Thanks for your PR, @Dippp10-ally!

Welcome to Reframe — a browser-based video editor built for everyone 🎬

🟠 GSSoC'26 PR detected — thanks for contributing under GirlScript Summer of Code 2026!

What happens next

1. 🤖 Automated checks — build & TypeScript typecheck will run automatically
2. ✅ Vercel preview — a preview deployment will be created (requires maintainer authorization for fork PRs)
3. 👀 Code review — a maintainer will review your changes
4. 🚀 Merge — once approved, your PR will be merged!

Quick checklist

• PR title follows Conventional Commits (e.g. feat: add dark mode)
• Linked the issue this PR closes (e.g. Closes #123)
• Tested the changes locally (bun run dev)
• Build passes (bun run build)

Useful links

• 📖 CONTRIBUTING.md
• 🐛 Open Issues
• ⭐ Star the repo to support the project!

Happy coding! 🎉

[github-actions]

⚠️ PR Format Issues — @Dippp10-ally

Please fix the following before your PR can be reviewed:

• ⚠️ Use a conventional PR title. Examples:
  • feat: add dark mode support
  • fix: resolve aria label missing on slider
  • docs: add deployment guide to README

Push new commits after fixing — this comment will update automatically.

📖 CONTRIBUTING.md

[Dippp10-ally]

@magic-peach ji , do assign labels called as gssoc:approved, level:intermediate, type:docs , quality:exceptional to above pull request number 1739 also....do merge above pull request number 1739 also.....

[github-actions]

👋 This PR has been inactive for 21 days. It will be automatically closed in 14 days if there's no further activity.

If you need help with this PR, please comment or ping a maintainer.
Make sure your branch is rebased onto main and all CI checks pass.