feat: add migration for 'zaps_amount' column

src/db/migrations/025_event_stats_add_zap_count.ts

@@ -0,0 +1,12 @@
+import { Kysely } from 'kysely';
+
+export async function up(db: Kysely<any>): Promise<void> {
+  await db.schema
+    .alterTable('event_stats')
+    .addColumn('zaps_amount', 'integer', (col) => col.notNull().defaultTo(0))
+    .execute();
+}
+
+export async function down(db: Kysely<any>): Promise<void> {
+  await db.schema.alterTable('event_stats').dropColumn('zaps_amount').execute();
+}