feat: require click on the loading screen, and make intro animation faster

app/pages/index.vue

@@ -154,7 +154,7 @@ useKeyDown(async ({ key, repeated }) => {
 </script>
 
 <template>
-  <LoadingScreen v-if="!isReady" />
+  <LoadingScreen v-if="!isReady || !app.userHasInteracted" />
   <div v-else>
     <TresCanvas
       v-if="app.settings.renderingMode === '3d'"