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/truncate.ts

@@ -0,0 +1,24 @@
+import { sql } from "drizzle-orm";
+// Credits to Louistiti from Drizzle Discord: https://discord.com/channels/1043890932593987624/1130802621750448160/1143083373535973406
+import { drizzle } from "drizzle-orm/postgres-js";
+import "dotenv/config";
+import postgres from "postgres";
+
+const connectionString = process.env.DATABASE_URL!;
+
+const pg = postgres(connectionString, { max: 1 });
+const db = drizzle(pg);
+
+const clearDb = async (): Promise<void> => {
+	try {
+		const tablesQuery = sql<string>`DROP SCHEMA public CASCADE; CREATE SCHEMA public; DROP schema drizzle CASCADE;`;
+		const tables = await db.execute(tablesQuery);
+		console.log(tables);
+		await pg.end();
+	} catch (error) {
+		console.error("Error cleaning database", error);
+	} finally {
+	}
+};
+
+clearDb();