Added all necessary dependencies & created the start & dev script

package.json

@@ -4,6 +4,8 @@
   "description": "The backend of the CrazyAddons project",
   "main": "app.js",
   "scripts": {
+    "start": "node app.js",
+    "dev": "nodemon app.js",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
   "repository": {
@@ -19,5 +21,23 @@
   "bugs": {
     "url": "https://github.com/CrazyAddonsMC/Backend/issues"
   },
-  "homepage": "https://crazyaddons.app"
+  "homepage": "https://crazyaddons.app",
+  "dependencies": {
+    "bcrypt": "^5.0.1",
+    "cors": "^2.8.5",
+    "dotenv": "^16.0.1",
+    "express": "^4.18.1",
+    "express-fileupload": "^1.4.0",
+    "express-rate-limit": "^6.4.0",
+    "joi": "^17.6.0",
+    "joi-extension-semver": "^5.0.0",
+    "mmmagic": "^0.5.3",
+    "mongoose": "^6.4.0",
+    "semver": "^7.3.7",
+    "ws": "^8.8.0",
+    "ws-heartbeat": "^1.2.0"
+  },
+  "devDependencies": {
+    "nodemon": "^2.0.18"
+  }
 }