SW update type stuff

Author: MotorTruck1221

src/views/components/settings.erb

@@ -78,6 +78,10 @@
       <h2> About Blank Cloaking </h2>
       <button id="blankButton" class="button" onclick="aboutBlank()">Toggle</button>
     </div>
+    <div id="tile">
+      <h2> Update Service Workers </h2>
+      <button id="swUpdateButton" class="button" onclick="uninstallAllSW()">Update</button>
+    </div>
     <div id="tile">
       <h2> Reset Settings </h2>
       <button id="resetButton" class="button" onclick="reset()">Reset</button>