Add fullstack example

examples/fullstack/backend/database/seeders/user_seeder.ts

@@ -0,0 +1,15 @@
+import User from '#models/user'
+import { BaseSeeder } from '@adonisjs/lucid/seeders'
+import { faker } from '@faker-js/faker'
+
+export default class extends BaseSeeder {
+  public async run () {
+    const users = Array.from({ length: 1000 }).map(() => ({
+      fullName: faker.person.fullName(),
+      email: faker.internet.email(),
+      password: 'password123',
+    }))
+
+    await User.createMany(users)
+  }
+}