fix #12: pass full schema to drizzle adapter

src/lib/auth.ts

@@ -1,10 +1,12 @@
 import { betterAuth } from "better-auth";
 import { drizzleAdapter } from "better-auth/adapters/drizzle";
 import { db } from "./db";
+import * as schema from "./db/schema";
 
 export const auth = betterAuth({
   database: drizzleAdapter(db, {
     provider: "pg",
+    schema,
   }),
   emailAndPassword: { enabled: true },
   session: { expiresIn: 60 * 60 * 24 * 7 },