feat: add gmail-hook monorepo with watcher, api, and web

Ship the receipt pipeline (Livin/Grab/BRI), PocketBase spendings, PM2 ecosystem, and a proper .gitignore that excludes secrets, SQLite data, and media dumps.

Co-authored-by: Cursor <cursoragent@cursor.com>

.gitignore

@@ -0,0 +1,47 @@
+# Dependencies
+node_modules/
+
+# Build output
+dist/
+build/
+*.tsbuildinfo
+
+# Env / secrets (keep example)
+.env
+.env.*
+!.env.example
+
+# Local SQLite / runtime data
+apps/api/data/
+*.db
+*.db-wal
+*.db-shm
+
+# Logs
+*.log
+npm-debug.log*
+pnpm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# OS / editor
+.DS_Store
+Thumbs.db
+.idea/
+.vscode/
+*.swp
+*.swo
+*~
+
+# Test / coverage
+coverage/
+.nyc_output/
+
+# Accidental media dumps
+*.mp4
+*.mov
+*.webm
+*.mkv
+
+# PM2 local dumps (process list lives on the host)
+.pm2/