Support directory URLs and refine documentation

[Kilo59]

Summary

This PR enhances ruff-sync's URL handling capabilities and cleans up documentation for a better user experience.

✨ Key Features

• Directory URL Support: ruff-sync now correctly resolves GitHub and GitLab /tree/ URLs (e.g., https://github.com/org/repo/tree/main/config), allowing users to point directly to configuration directories.
• Smart Configuration Discovery: When pointing to a directory, ruff-sync automatically discovers configuration files, checking for pyproject.toml, ruff.toml, and .ruff.toml (in that order).
• Enriched Documentation: The README.md "Curated Examples" section now enumerates multiple supported URL formats (Repo, Tree, Blob, Raw, Git SSH), making it easier for users to understand the tool's flexibility.

🛠️ Technical Improvements

• Reduced Complexity: Refactored fetch_upstream_config by extracting discovery and git-cloning logic into dedicated internal functions, significantly improving maintainability (C901).
• Optimized Performance: Discovery loops now use direct status code checks to avoid try-except overhead (PERF203).
• Bug Fix: Fixed Wily complexity workflow output formatting.

🧪 Validation

• Added 43 comprehensive tests to tests/test_url_handling.py covering the new URL formats and discovery logic.
• Verified all linting and formatting checks pass.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Updates the Wily complexity GitHub Action to use the multiline output syntax for step outputs and bumps the project version from a dev suffix to a release version in both configuration and runtime metadata.

File-Level Changes

Change	Details	Files
Switch Wily complexity workflow step to use GitHub Actions multiline output syntax for the diff result.	Replace manual percent/newline/carriage-return escaping of the diff output with the GitHub Actions multiline output format using a here-doc style (diff<<EOF). Continue exposing the computed diff via the GITHUB_OUTPUT file for subsequent steps.	.github/workflows/complexity.yaml
Promote package version from a dev pre-release to a stable release and keep runtime version constant with metadata.	Update project version in pyproject.toml from 0.0.5.dev2 to 0.0.5. Update version constant in ruff_sync.py from 0.0.5.dev2 to 0.0.5 to stay in sync with packaging metadata.	pyproject.toml ruff_sync.py

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[codecov]

Codecov Report

❌ Patch coverage is 86.30137% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 90.29%. Comparing base (42637da) to head (40ec82c).
⚠️ Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
ruff_sync.py	86.30%	10 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #94      +/-   ##
==========================================
- Coverage   91.70%   90.29%   -1.42%     
==========================================
  Files           1        1              
  Lines         470      515      +45     
==========================================
+ Hits          431      465      +34     
- Misses         39       50      +11     

☔ View full report in Codecov by Sentry.
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[sourcery-ai]

Hey - I've left some high level feedback:

• In the workflow change, consider using a less generic heredoc delimiter than EOF (e.g., DIFF_EOF) to avoid potential collisions if the Wily diff output were ever to contain the string EOF on its own line.

Prompt for AI Agents

Please address the comments from this code review:

## Overall Comments
- In the workflow change, consider using a less generic heredoc delimiter than `EOF` (e.g., `DIFF_EOF`) to avoid potential collisions if the Wily diff output were ever to contain the string `EOF` on its own line.

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[github-actions]

╒═══════════════╤═════════════════╤══════════════╤═════════════════╤════════════╕
│ File          │ Lines of Code   │ Cyclomatic   │ Maintainabili   │ Unique     │
│               │                 │ Complexity   │ ty Index        │ Operands   │
╞═══════════════╪═════════════════╪══════════════╪═════════════════╪════════════╡
│ ruff_sync.py  │ 1003 -> 1071    │ 144 -> 171   │ 25.3215 ->      │ 14 -> 14   │
│               │                 │              │ 19.8921         │            │
├───────────────┼─────────────────┼──────────────┼─────────────────┼────────────┤
│ tests/test_ur │ 218 -> 252      │ 6 -> 7       │ 67.7977 ->      │ 3 -> 3     │
│ l_handling.py │                 │              │ 65.7213         │            │
╘═══════════════╧═════════════════╧══════════════╧═════════════════╧════════════╛