Update public/admin.html

public/admin.html

@@ -38,6 +38,7 @@
         <button id='stop'>Stop</button>
         <button id='reset' class='danger'>Reset</button>
         <button id='blackout' style="background:#111; color:#fff; border:1px solid #333;">Blackout</button>
+        <button id='wake' style="background:#004400; color:#fff; border:1px solid #333;">Wake</button>
       </div>
       <div class="row">
         <label for="colorPicker">Clock color</label>