saving data works, refreshes the UI, and also added an option to clear the storage from the UI

Shared (Extension)/Resources/popup.html

@@ -28,8 +28,9 @@
 
     <div class="buttons">
         <button @click="visibleKey = !visibleKey" x-text="visibleKey ? 'Hide' : 'Show'"></button>
-        <button @click="saveKey()">Save</button>
-        <button @click="profileIndex = 1">Profile Index</button>
+        <button @click="await saveProfile()">Save</button>
+        <button @click="confirmClear = true" x-show="!confirmClear">Clear Data</button>
+        <button @click="await clearData()" x-show="confirmClear">Confirm Clear</button>
     </div>
 
     <div x-show="hasValidPubKey">