refactor(infra): directory structure (#4615)

packages/backend/server/scripts/init-db.ts

@@ -0,0 +1,23 @@
+import userA from '@affine-test/fixtures/userA.json' assert { type: 'json' };
+import { hash } from '@node-rs/argon2';
+import { PrismaClient } from '@prisma/client';
+const prisma = new PrismaClient();
+
+async function main() {
+  await prisma.user.create({
+    data: {
+      ...userA,
+      password: await hash(userA.password),
+    },
+  });
+}
+
+main()
+  .then(async () => {
+    await prisma.$disconnect();
+  })
+  .catch(async e => {
+    console.error(e);
+    await prisma.$disconnect();
+    process.exit(1);
+  });