Add initial project files including .gitignore, README, package.json, and TypeScript configuration

- Created .gitignore to exclude unnecessary files
- Added README.md with installation and usage instructions
- Initialized package.json with dependencies and configurations
- Set up tsconfig.json for TypeScript compiler options
- Implemented basic index.ts file for logging
- Added Supabase function structure in ai-structured directory
- Created test files for user authentication and function invocation

.gitignore

@@ -0,0 +1,34 @@
+# dependencies (bun install)
+node_modules
+
+# output
+out
+dist
+*.tgz
+
+# code coverage
+coverage
+*.lcov
+
+# logs
+logs
+_.log
+report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# caches
+.eslintcache
+.cache
+*.tsbuildinfo
+
+# IntelliJ based IDEs
+.idea
+
+# Finder (MacOS) folder config
+.DS_Store