API's: employee onboarding, authentication through JWT

Co-authored-by: Copilot <copilot@github.com>

transit_api/db.js

@@ -1,4 +1,4 @@
-const { pool } = require('pg');
+const { Pool } = require('pg');
 require('dotenv').config();
 const pool = new Pool({
     host: process.env.PG_HOST,

transit_api/package.json

@@ -11,6 +11,7 @@
   "type": "commonjs",
   "main": "index.js",
   "scripts": {
+    "start": "node index.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "dependencies": {