feat(licenses): implement license management system with email notifications

- Added database schema for licenses, including types and statuses.
- Implemented license creation, validation, and activation functionalities.
- Integrated email templates for sending license keys and resend requests.
- Updated package dependencies and configuration for PostgreSQL integration.
- Introduced migration and truncation scripts for database management.
- Enhanced API endpoints for license operations with error handling and validation.

apps/licenses/drizzle.config.ts

@@ -0,0 +1,15 @@
+import type { Config } from "drizzle-kit";
+import "dotenv/config";
+
+const connectionString = process.env.DATABASE_URL!;
+
+export default {
+	schema: "./src/schema.ts",
+	out: "./drizzle",
+	dialect: "postgresql",
+	dbCredentials: {
+		url: connectionString,
+	},
+	verbose: true,
+	strict: true,
+} satisfies Config;