file service module added

prisma/migrations/20251126124342_file_metadata/migration.sql

@@ -0,0 +1,17 @@
+-- CreateTable
+CREATE TABLE "File" (
+    "id" TEXT NOT NULL,
+    "originalName" TEXT NOT NULL,
+    "storagePath" TEXT NOT NULL,
+    "folder" TEXT NOT NULL,
+    "version" INTEGER NOT NULL DEFAULT 1,
+    "mimeType" TEXT NOT NULL,
+    "size" INTEGER NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updatedAt" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "File_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE INDEX "File_folder_originalName_idx" ON "File"("folder", "originalName");