remove auth slop better-auth, add shadcn utils back

Author: robinroy03

app/lib/utils.ts

@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from "clsx";
+import { twMerge } from "tailwind-merge";
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs));
+}

package.json

@@ -39,7 +39,6 @@
     "@remotion/transitions": "4.0.329",
     "@types/cors": "^2.8.19",
     "axios": "^1.13.5",
-    "better-auth": "^1.4.5",
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "cors": "^2.8.5",