Add improved commit classification, per-module breakdown, and DDEV support

[podarok]

Summary

This PR enhances the Drupal Core Metrics dashboard with improved commit classification, per-module breakdown, and local development support.

Changes

1. Enhanced Commit Classification

📊 Before vs After

Before	After
Simple prefix matching (fix:, feat:)	Full Conventional Commits spec + Drupal.org patterns
Many commits classified as "Unknown"	Intelligent keyword fallback reduces unknowns

New classification approach (3-tier):

1. Conventional Commits - feat:, fix:, chore:, etc. with optional scope
2. Drupal.org Issue parsing - Extracts description from Issue #XXX by authors: Add something and recursively classifies
3. Keyword fallback - Detects add, fix, refactor, etc. in message text

# Example: "Issue #3556987 by user: Add a recursive sort-by"
# → Extracts "Add a recursive sort-by" → Matches "add " → Returns "Feature"

2. Per-Module Breakdown

New section showing metrics for each core/modules/* directory:

Column	Description
Module	Module name
LOC	Lines of code
CCN (avg)	Cyclomatic complexity (red >10, yellow >6)
MI (avg)	Maintainability index (red <65, yellow <85)
Anti-patterns	Total anti-pattern count

3. Debug Mode

DEBUG=1 python3 scripts/analyze.py

Outputs detailed logging for troubleshooting analysis issues.

4. DDEV Configuration

Added .ddev/config.yaml for easy local development:

ddev start && ddev composer install
ddev exec "cd /var/www/html && python3 scripts/analyze.py"
ddev launch

5. Updated Documentation

• README now includes DDEV setup as recommended option
• Dashboard explanations updated to describe classification methodology
• Per-module section explains threshold colors

Files Changed

.ddev/config.yaml   # New: DDEV configuration
README.md           # Updated: DDEV setup guide
index.html          # Updated: Per-module table + explanations
scripts/analyze.py  # Updated: Classification + per-module + debug

Testing

• Ran full analysis with DEBUG=1
• Verified per-module breakdown appears in dashboard
• Tested commit classification with Drupal.org issue format
• Confirmed DDEV setup works from scratch

[podarok]