feat: added file upload + dir creation

file-uploader/prisma/migrations/20250501194745_init/migration.sql

@@ -0,0 +1,14 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `full_path` on the `Folder` table. All the data in the column will be lost.
+  - You are about to drop the column `parent_folder_id` on the `Folder` table. All the data in the column will be lost.
+
+*/
+-- AlterTable
+ALTER TABLE "Folder" DROP COLUMN "full_path",
+DROP COLUMN "parent_folder_id",
+ADD COLUMN     "parentId" INTEGER;
+
+-- AddForeignKey
+ALTER TABLE "Folder" ADD CONSTRAINT "Folder_parentId_fkey" FOREIGN KEY ("parentId") REFERENCES "Folder"("id") ON DELETE SET NULL ON UPDATE CASCADE;