add login/sign-up page with dark/light mode

node_modules/next/dist/client/assign-location.d.ts

@@ -0,0 +1,8 @@
+/**
+ * Function to correctly assign location to URL
+ *
+ * The method will add basePath, and will also correctly add location (including if it is a relative path)
+ * @param location Location that should be added to the url
+ * @param url Base URL to which the location should be assigned
+ */
+export declare function assignLocation(location: string, url: URL): URL;