Convert back to server app from lambda function

tsconfig.json

@@ -3,11 +3,10 @@
     "target": "esnext",
     "module": "commonjs",
     "rootDir": "./",
-    "noEmit": true,
+    "outDir": "./dist",
     "esModuleInterop": true,
     "forceConsistentCasingInFileNames": true,
     "strict": true,
     "skipLibCheck": true
-  },
-  "include": ["netlify/functions/validate-pr"]
+  }
 }