express initialized with demo endpoint

backend/api/package.json

@@ -2,16 +2,22 @@
   "name": "express-api",
   "version": "1.0.0",
   "description": "",
-  "main": "app.js",
+  "type": "module",
   "scripts": {
-    "dev": "ts-node src/app.ts",
+    "build": "tsc",
+    "dev": "ts-node-esm src/app.ts",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "jweissen",
   "license": "ISC",
   "dependencies": {
+    "body-parser": "^1.20.1",
     "express": "^4.18.2",
+    "pg-promise": "^10.15.4",
     "ts-node": "^10.9.1",
     "typescript": "^4.9.3"
+  },
+  "devDependencies": {
+    "@types/node": "^18.11.9"
   }
 }