Add dev-dependancies

package.json

@@ -19,6 +19,7 @@
   "dependencies": {
     "@sendgrid/mail": "^7.4.4",
     "app-root-path": "^3.0.0",
+    "autoprefixer": "^10.3.4",
     "axios": "^0.21.3",
     "cookie-parser": "^1.4.5",
     "express": "^4.17.1",
@@ -28,12 +29,17 @@
     "http-errors": "^1.8.0",
     "morgan": "^1.10.0",
     "nodemailer": "^6.6.1",
-    "pug": "^3.0.2",
-    "tailwind-hamburgers": "^1.1.1",
-    "winston": "^3.3.3",
-    "autoprefixer": "^10.3.4",
     "npm-watch": "^0.11.0",
     "postcss-cli": "^8.3.1",
-    "tailwindcss": "^2.2.15"
+    "pug": "^3.0.2",
+    "tailwind-hamburgers": "^1.1.1",
+    "tailwindcss": "^2.2.15",
+    "winston": "^3.3.3"
+  },
+  "devDependencies": {
+    "eslint": "^9.1.1",
+    "eslint-config-prettier": "^9.1.0",
+    "prettier": "^3.2.5",
+    "prettier-plugin-tailwindcss": "^0.5.14"
   }
 }