feat(licenses): add migration and truncation scripts for database management

- Introduced migration script to handle database schema updates using Drizzle ORM.
- Added truncation script to clear the database schema and reset the state.
- Updated package.json scripts for easier execution of migration and truncation tasks.
- Refactored email and Stripe integration for better modularity and maintainability.

apps/licenses/migrate.ts

@@ -0,0 +1,22 @@
+import { drizzle } from "drizzle-orm/postgres-js";
+import { migrate } from "drizzle-orm/postgres-js/migrator";
+import postgres from "postgres";
+import "dotenv/config";
+import * as schema from "./schema";
+
+const connectionString = process.env.DATABASE_URL!;
+const sql = postgres(connectionString, { max: 1 });
+const db = drizzle(sql, { schema });
+
+await migrate(db, { migrationsFolder: "drizzle" })
+	.then(() => {
+		console.log("Migration complete");
+		sql.end();
+	})
+	.catch((error) => {
+		console.error("Migration failed", error);
+		process.exit(1);
+	})
+	.finally(() => {
+		sql.end();
+	});