feat: Implement file cleanup middleware for automatic old file deletion using local and Cloudinary storage providers.

src/auth/auth.ts

@@ -3,7 +3,10 @@ import { prismaAdapter } from 'better-auth/adapters/prisma';
 import { PrismaClient } from '@prisma/client';
 import { admin } from 'better-auth/plugins';
 
+import { applyFileCleanup } from '../prisma/file-cleanup.helper';
+
 const prisma = new PrismaClient();
+applyFileCleanup(prisma);
 
 export const auth = betterAuth({
   database: prismaAdapter(prisma, {