Implement loading (#104)

* Implement loading

* LoadingBar

* Run linter

* Update App.vue

* Loading bar all the things

* Update SplashScreen.vue

* Update SplashScreen.vue

* Update App.vue

* initial revert

* Update Instance.vue

* revert css

* Fix instance

* More reverting

* Run lint

* Finalize changes

* Revert "Merge branch 'master' into loading"

This reverts commit 3014e765fb6fb343f3030fd8a822edd97fb2af41, reversing
changes made to b780e859d2b53a203eb3561ba3be88af083d9c15.

* Fix loading issues

* fix lint

* Revert "Revert "Merge branch 'master' into loading""

This reverts commit 971ef8466613579b7f523edbd25b692df62d0f86.

---------

Co-authored-by: Jai A <jaiagr+gpg@pm.me>

theseus_gui/src/components/ui/AccountsCard.vue

@@ -194,7 +194,7 @@ onBeforeUnmount(() => {
   flex-direction: column;
   top: 0.5rem;
   left: 5.5rem;
-  z-index: 100;
+  z-index: 9;
   gap: 0.5rem;
   padding: 1rem;
   border: 1px solid var(--color-button-bg);