feat: Add Godot GitHub repository config

Config for godotengine/godot repository:
- Extracts README, issues, changelog, releases
- Targets core C++ files (core, scene, servers)
- Max 100 issues
- Surface layer only (no full code implementation)

Usage: python3 cli/github_scraper.py --config configs/godot_github.json

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

configs/godot_github.json

@@ -0,0 +1,19 @@
+{
+  "name": "godot",
+  "repo": "godotengine/godot",
+  "description": "Godot Engine - Multi-platform 2D and 3D game engine",
+  "github_token": null,
+  "include_issues": true,
+  "max_issues": 100,
+  "include_changelog": true,
+  "include_releases": true,
+  "include_code": false,
+  "file_patterns": [
+    "core/**/*.h",
+    "core/**/*.cpp",
+    "scene/**/*.h",
+    "scene/**/*.cpp",
+    "servers/**/*.h",
+    "servers/**/*.cpp"
+  ]
+}