Feat/import export (#136)

* added import/export functionality

lib/api/controllers/data/getData.ts

@@ -0,0 +1,24 @@
+import { prisma } from "@/lib/api/db";
+
+export default async function getData(userId: number) {
+  const user = await prisma.user.findUnique({
+    where: { id: userId },
+    include: {
+      collections: {
+        include: {
+          links: {
+            include: {
+              tags: true,
+            },
+          },
+        },
+      },
+    },
+  });
+
+  if (!user) return { response: "User not found.", status: 404 };
+
+  const { password, id, image, ...userData } = user;
+
+  return { response: userData, status: 200 };
+}