feat: new error banner, qol

src/components/ProfileList.vue

@@ -7,6 +7,9 @@ const prf = usePrfStore();
 </script>
 
 <template>
+    <div v-if="prf.list.length === 0">
+        Welcome to STARTLINER! Start by creating a profile.
+    </div>
     <div class="mt-4 flex flex-row flex-wrap align-middle gap-4">
         <Button
             label="O.N.G.E.K.I. profile"