Add Claude Code configuration files

- Add .claude/settings.local.json with permissions for common development commands
- Add CLAUDE.md with project documentation and development guidance for Claude Code
- Provides context about danger-go architecture, development workflow, and testing

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

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

Author: echarrod

.claude/settings.local.json

@@ -7,6 +7,10 @@
       "Bash(git push:*)",
       "Bash(go build:*)",
       "Bash(git add:*)",
+      "WebFetch(domain:github.com)",
+      "Bash(git reset:*)",
+      "Bash(sed:*)",
+      "Bash(git pull:*)",
       "Bash(git checkout:*)"
     ],
     "deny": [],