Fix minor typo in settings.jinja2

"Asisstant" -> "Assistant" line 445

hassio-google-drive-backup/backup/static/layouts/partials/modals/settings.jinja2

@@ -440,7 +440,7 @@
           <div class="col s12">
             <label>
               <input type="checkbox" name="exclude_ha_database" id="exclude_ha_database"class="filled-in checkbox-ha" />
-              <span>Exclude Home Asisstant Database from Backups</span>
+              <span>Exclude Home Assistant Database from Backups</span>
               <br />
               <span class="helper-text">Don't include the Home Assistant database in backups.  Useful if you need to save space and don't care about history.  Applies to both full and partial backups.</span>
             </label>
@@ -703,4 +703,4 @@
     <a href="#!" class="btn-flat" onclick="handleCloseSettings()" id="save_cancel"><i
         class="material-icons">close</i>Cancel</a>
   </div>
-</div>
+</div>