Add auth

src/lib/auth.ts

@@ -0,0 +1,12 @@
+import { betterAuth } from "better-auth";
+import { prismaAdapter } from "better-auth/adapters/prisma";
+import { prisma } from "./prisma";
+
+export const auth = betterAuth({
+  database: prismaAdapter(prisma, {
+    provider: "postgresql",
+  }),
+  emailAndPassword: { 
+    enabled: true, 
+  }, 
+});