feat: implement backend API with models and seed data for OctoFit application

octofit-tracker/backend/package.json

@@ -6,7 +6,8 @@
   "scripts": {
     "dev": "ts-node-dev --respawn --transpile-only src/index.ts",
     "build": "tsc -p tsconfig.json",
-    "start": "node dist/index.js"
+    "start": "node dist/index.js",
+    "seed": "ts-node src/scripts/seed.ts"
   },
   "dependencies": {
     "express": "^5.2.1",
@@ -15,6 +16,7 @@
   "devDependencies": {
     "@types/express": "^5.0.6",
     "@types/node": "^26.0.0",
+    "ts-node": "^10.9.2",
     "ts-node-dev": "^2.0.0",
     "typescript": "^6.0.3"
   }