add migrations

server/prisma/migrations/20251009115816_init/migration.sql

@@ -0,0 +1,12 @@
+-- CreateTable
+CREATE TABLE "User" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "username" TEXT NOT NULL,
+    "password" TEXT NOT NULL,
+    "displayName" TEXT NOT NULL,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" DATETIME NOT NULL
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "User_username_key" ON "User"("username");