added contribution.md file

[ankitpokhrel08]

#2243 I built the contribution page!

Summary by CodeRabbit

• Documentation
  • Added a comprehensive contributing guide covering environment setup (backend/frontend), platform-specific prerequisites, and how to run/build the project.
  • Documented development workflow, testing (backend and frontend), code quality standards, and pre-commit hooks to streamline contributions.
  • Included guidance on making changes, commit conventions, PR process, project structure, and where to get help. No user-facing functionality changes.

[coderabbitai]

Walkthrough

Adds a new CONTRIBUTING.md file providing a comprehensive contributor guide: project overview, prerequisites, platform-specific setup, Python/frontend development environments, workflows for building/testing/linting, pre-commit hooks, project structure, commit/PR guidelines, and support channels. No code or API changes.

Changes

Cohort / File(s)	Summary
Documentation CONTRIBUTING.md	Added a complete contributor guide covering setup (Python and frontend), development workflow (fork/clone, build, run), testing and linting instructions, pre-commit configuration, project structure, commit/PR guidelines, and support/contact instructions.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Poem

I twitch my nose and mark the trail,
A map of steps for every tail.
Fork, test, lint—then push with cheer,
Carrots for commits, a ribbon near.
Hop on the branch, the merge is nigh. 🥕🐇

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	The title accurately reflects the primary change by stating that a contribution.md file was added, which is the main focus of the PR and is clear and specific to a reviewer or teammate.
Docstring Coverage	✅ Passed	No functions found in the changes. Docstring coverage check skipped.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

---

📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between cd7c3a3 and 2a8e7b3.

📒 Files selected for processing (1)

• CONTRIBUTION.md (1 hunks)

✅ Files skipped from review due to trivial changes (1)

• CONTRIBUTION.md

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}

[github-actions]

📦 Wheel files have been deployed to Cloudflare Pages:

• streamlit_webrtc-0.63.12.dev2+g523cf3391-py3-none-any.whl

  pip install https://4c450bfa.streamlit-webrtc-hosting.pages.dev/streamlit_webrtc-0.63.12.dev2+g523cf3391-py3-none-any.whl

• streamlit_webrtc-0.63.12.dev2+g523cf3391.tar.gz

  pip install https://4c450bfa.streamlit-webrtc-hosting.pages.dev/streamlit_webrtc-0.63.12.dev2+g523cf3391.tar.gz

[coderabbitai]

Actionable comments posted: 2

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between a4c082a and cd7c3a3.

📒 Files selected for processing (1)

• CONTRIBUTION.md (1 hunks)

🧰 Additional context used

🪛 markdownlint-cli2 (0.18.1)

CONTRIBUTION.md

154-154: Bare URL used

(MD034, no-bare-urls)

---

268-268: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

[github-actions]

📦 Wheel files have been deployed to Cloudflare Pages:

• streamlit_webrtc-0.63.12.dev3+g787094324-py3-none-any.whl

  pip install https://97ee0430.streamlit-webrtc-hosting.pages.dev/streamlit_webrtc-0.63.12.dev3+g787094324-py3-none-any.whl

• streamlit_webrtc-0.63.12.dev3+g787094324.tar.gz

  pip install https://97ee0430.streamlit-webrtc-hosting.pages.dev/streamlit_webrtc-0.63.12.dev3+g787094324.tar.gz

[whitphx]

The doc is too verbose and includes wrong/unnecessary contents.
Don't just commit AI-generated texts.