Add CRUD for galleries

prisma/migrations/20250624201728_init_gallery/migration.sql

@@ -0,0 +1,14 @@
+-- CreateTable
+CREATE TABLE "Gallery" (
+    "id" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+    "name" TEXT NOT NULL,
+    "slug" TEXT NOT NULL,
+    "description" TEXT,
+
+    CONSTRAINT "Gallery_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Gallery_slug_key" ON "Gallery"("slug");