Add settings purge button

src/views/SettingsView.vue

@@ -9,6 +9,8 @@
     </div>
     <ConfiguredChannels />
     <AddChannel />
+    <h3>Purge all settings</h3>
+    <button @click="purgeSettings" class="btn btn-danger w-100">Purge settings</button>
   </template>
 </Content>
 </template>
@@ -19,4 +21,9 @@ import Content from '../components/content/Content.vue'
 import UserSettings from '../components/userSettings/UserSettings.vue'
 import ConfiguredChannels from '../components/channelSettings/ConfiguredChannels.vue'
 import AddChannel from '../components/channelSettings/AddChannel.vue'
+
+function purgeSettings() {
+  window.localStorage.clear()
+  document.location.href = "/"
+}
 </script>