Tailwind CSS 4 Migration (#100)

* Updated to TailwindCSS v4
* Moved CSS module to its own CSS file because of lightingcss strict validation
* Respect next parameter in middleware
* Updated all packages. 
* Split CSSs for better organization.
* Redesigned theme and auth pages
* Improved pill and header design
* Formatted files using Prettier
* Better footer layout
* Better auth layout
* Bump version of the repository to 2.0.0

tooling/tailwind/package.json

@@ -1,10 +1,8 @@
 {
   "name": "@kit/tailwind-config",
   "version": "0.1.0",
-  "main": "index.ts",
   "license": "MIT",
   "files": [
-    "index.ts",
     "postcss.js"
   ],
   "scripts": {
@@ -14,15 +12,14 @@
     "typecheck": "tsc --noEmit"
   },
   "dependencies": {
-    "autoprefixer": "^10.4.20",
     "postcss": "8.5.1",
-    "tailwindcss": "3.4.17",
-    "tailwindcss-animate": "^1.0.7"
+    "tailwindcss": "4.0.0"
   },
   "devDependencies": {
     "@kit/eslint-config": "workspace:*",
     "@kit/prettier-config": "workspace:*",
     "@kit/tsconfig": "workspace:*",
+    "@tailwindcss/postcss": "^4.0.0",
     "eslint": "^8.57.0",
     "prettier": "^3.4.2",
     "typescript": "^5.7.3"