first commit

backend/prisma/schema.prisma

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+// Prisma Schema
+datasource db {
+  provider = "sqlite"
+  url      = env("DATABASE_URL")
+}
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+model User {
+  id          String   @id @default(uuid())
+  username    String   @unique
+  email       String?  @unique
+  avatar      String?
+  casdoorId   String   @unique
+  createdAt   DateTime @default(now())
+  updatedAt   DateTime @updatedAt
+}