add geninvites script

scripts/geninvites.js

@@ -0,0 +1,14 @@
+const { PrismaClient } = require('@prisma/client')
+
+const prisma = new PrismaClient();
+
+(async () => {
+  for (let i = 0; i < process.env.NUM; i++) {
+    await prisma.invite.create({
+      data: {
+        userId: Number(process.env.USER_ID),
+        gift: Number(process.env.GIFT)
+      }
+    })
+  }
+})()