docs: add Discord community link to docs, README, and PyPI URLs

[ZmeiGorynych]

What

Surface the community Discord invite (https://discord.gg/djtaFyXW) in the main public-facing entry points, which previously had no reference to it.

Changes

• docs/index.md — append Discord to the GitHub | PyPI link row on the docs home page.
• README.md — add a static Discord shields.io pill to the badge cluster under the hero image, plus a short "Questions, ideas, or feedback? Join our Discord" blurb under the star line.
• pyproject.toml — add a Discord entry to [tool.poetry.urls] so it shows on the PyPI project sidebar alongside Repository and Documentation.

Notes

• A static shields badge is used (Discord-join) rather than a dynamic member-count badge, because only the invite code is known — not the numeric server ID that img.shields.io/discord/<id> requires.
• mkdocs.yml was intentionally skipped: the theme is readthedocs, which has no clean extra.social footer-icon slot.

Docs/config only — no production code changes, so no tests added.

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation

  • Added a Discord community invite link to the project header and updated the feedback call-to-action to point to the Discord invite.
  • Added the Discord invite URL to the documentation index links.

• Chores

  • Updated project metadata to include the Discord community invite link.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: b7ed7ae2-c4ba-4fed-8652-f912f5d5f465

📥 Commits

Reviewing files that changed from the base of the PR and between e4ad7bd and 4c44f56.

📒 Files selected for processing (1)

• README.md

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

• README.md

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📝 Walkthrough

Walkthrough

Adds the project's Discord invite link in three places: a Discord badge and updated feedback CTA in README, the Discord URL in docs/index.md header links, and a Discord entry under [tool.poetry.urls] in pyproject.toml.

Changes

Discord Community Links

Layer / File(s)	Summary
Add Discord links to documentation and project metadata README.md, docs/index.md, pyproject.toml	Discord invite link is exposed in the README header badge and feedback prompt, in the documentation index link list, and in project metadata as a poetry URL entry.

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs:

• MotleyAI/slayer#5: Also updates README badge/link area; overlaps in README top-section edits.

🐰 I found a cozy invite bright,
A badge that gleams with friendly light,
README, docs, and pyproject too,
Now whisper, "Join us—come on through!"
Hops and welcomes—see you in the night.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately and concisely describes the main change: adding Discord community links to documentation, README, and PyPI metadata.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch egor/add-discord-link

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud