feat: update environment configuration and add new API utilities

- Added .env.example with self-hosted admin key and site URL.
- Updated .gitignore to include .env files.
- Generated new API utility files: api.d.ts, api.js, dataModel.d.ts, server.d.ts, and server.js.
- Implemented auth configuration for JWT authentication.
- Created GitHub starred query and HTTP routes for authentication and JWKS.
- Defined schema for GitHub starred and user tables.
- Updated package.json with new dependencies and author information.
- Enhanced tsconfig.json with target and path configurations.

tsconfig.json

@@ -0,0 +1,20 @@
+{
+  "extends": "@kevisual/types/json/backend.json",
+  "compilerOptions": {
+    "module": "NodeNext",
+    "target": "esnext",
+    "baseUrl": ".",
+    "typeRoots": [
+      "./node_modules/@types"
+    ],
+    "paths": {
+      "@/*": [
+        "src/*"
+      ]
+    },
+  },
+  "include": [
+    "src/**/*",
+    "convex/**/*",
+  ],
+}