added sqlite

backend/app/prisma/migrations/20251214044730_init/migration.sql

@@ -0,0 +1,12 @@
+-- CreateTable
+CREATE TABLE "User" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "email" TEXT NOT NULL,
+    "username" TEXT NOT NULL
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_email_key" ON "User"("email");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_username_key" ON "User"("username");