Add support in web-interface for displaying L2 entries

html/l2.html

@@ -0,0 +1,19 @@
+<!DOCTYPE html>
+<html>
+  <script src="/main.js"></script>
+  <link rel="stylesheet" href="style.css">
+  <title>FreeSwitchOS L2 Configuration</title>
+  </head>
+  <body>
+    <nav id="sidebar"></nav>
+    <div style="margin-left:16%;padding:1px 16px;height:1000px;">
+    <div id="ports"></div>
+    <h1>L2 Configuration</h1>
+    <table id="l2table">
+      <tr> <th>Port</th> <th>MAC</th> <th>VLAN</th> <th>Type</th> <th>Remove Entry</th></tr>
+      <script src="/l2.js"></script>
+    </table>
+    </div>
+  </body>
+  <script src="/navigation.js"></script>
+</html>