feat: initialize minecraft-aiworld Claude Code workspace

Configure mc-ai-bridge MCP server at 10.0.0.247:3002 for AI-driven
Minecraft Bedrock interaction with all 6 tools documented.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,12 @@
+# OS
+.DS_Store
+Thumbs.db
+
+# Editor
+.vscode/
+.idea/
+*.swp
+*.swo
+
+# Claude Code
+.claude/