feat: rewrite project

src/services/study-service.ts

@@ -0,0 +1,14 @@
+export class StudyService {
+  constructor(
+    private db: DbClient,
+    private storage: StorageClient
+  ) {}
+
+  async createStudy(params: CreateStudyParams) {
+    return this.db.transaction(async (tx) => {
+      const study = await tx.insert(studies).values(params).returning()
+      await this.storage.putObject("studies", study.id, params.config)
+      return study
+    })
+  }
+}