refactored/cleaned up API + added support for renaming tags

pages/settings/account.tsx

@@ -128,7 +128,7 @@ export default function Account() {
           data: request,
         };
 
-        const response = await fetch("/api/migration", {
+        const response = await fetch("/api/v1/migration", {
           method: "POST",
           body: JSON.stringify(body),
         });
@@ -333,7 +333,7 @@ export default function Account() {
               <p className="text-sm text-black dark:text-white mb-2">
                 Download your data instantly.
               </p>
-              <Link className="w-fit" href="/api/migration">
+              <Link className="w-fit" href="/api/v1/migration">
                 <div className="border w-fit border-slate-200 dark:border-neutral-700 rounded-md bg-white dark:bg-neutral-800 px-2 text-center select-none cursor-pointer duration-100 hover:border-sky-300 hover:dark:border-sky-600">
                   Export Data
                 </div>