Horrible redirect kludge to fix login flow, tidy up and readme

pages/login.vue

@@ -8,8 +8,9 @@
   async function signInWithGoogle() {
     const { data, error } = await supabase.auth.signInWithOAuth({
       provider: 'google',
+      // options: { redirectTo: 'dashboard'} // the redirectTo option doesn't work
     })
-    navigateTo('dashboard'); // This doesn't work, it navigates prior to the login handshake completing and then the handshake lands on the index page and ignores the middleware.
+    // navigateTo('dashboard'); // This doesn't work, it navigates prior to the oauth handshake completing and then the handshake lands on the index page and ignores the middleware.
   }
 </script>