Implement comprehensive auth template system

apps/cli/template/with-drizzle-sqlite/packages/server/src/with-auth-lib/auth.ts

@@ -0,0 +1,15 @@
+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: "sqlite",
+    schema: schema,
+  }),
+  trustedOrigins: [process.env.CORS_ORIGIN!],
+  emailAndPassword: {
+    enabled: true,
+  },
+});