created .env manager system and prod/dev run commands

api/package.json

@@ -8,12 +8,13 @@
   "main": "index.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1",
-    "dev": "tsc && node ./built/api/src/index.js"
+    "dev": "tsc && cross-env NODE_ENV=development node ./built/api/src/index.js",
+    "prod": "tsc && node ./built/api/src/index.js"
   },
   "dependencies": {
     "connect-sqlite3": "^0.9.16",
     "cors": "^2.8.5",
-    "dotenv": "^17.2.1",
+    "dotenv": "16.6.1",
     "express": "^5.1.0",
     "express-session": "^1.18.2",
     "mariadb": "^3.4.5",
@@ -26,6 +27,10 @@
     "@types/express": "^5.0.3",
     "@types/morgan": "^1.9.10",
     "@types/node": "^24.8.1",
+    "cross-env": "^10.1.0",
     "typescript": "^5.9.3"
+  },
+  "dotenv": {
+    "auto": false
   }
-}
+}