Volume e Pan master

creation.html

@@ -149,6 +149,21 @@
         <button id="metronome-btn" title="Metrônomo On/Off">Metrônomo</button>
       </div>
       <div class="spacer"></div>
+
+      <div class="control-group master-controls">
+        <div class="knob-container">
+            <div class="knob" id="master-volume-knob">
+                <div class="knob-indicator"></div>
+            </div>
+            <span>VOL MASTER</span>
+        </div>
+        <div class="knob-container">
+            <div class="knob" id="master-pan-knob">
+                <div class="knob-indicator"></div>
+            </div>
+            <span>PAN MASTER</span>
+        </div>
+      </div>
     </header>
 
     <main class="main-content">