GUACAMOLE-38: Initial implementation of QuickConnect feature

extensions/guacamole-auth-quickconnect/src/main/resources/templates/quickconnectField.html

@@ -0,0 +1,7 @@
+<meta name="before" content=".recent-connections" />
+<div class="header" ng-controller="quickconnectController">
+    <div class="quickconnect-container">
+        <input type=text class="quickconnect-field" placeholder="Enter Connection URI" ng-model="uri" />
+    </div>
+    <button class="quickconnect-button" ng-click="quickConnect()">Connect</button>
+</div>