added freelancer invoice template (#254)

assets/sass/navbar.scss

@@ -0,0 +1,46 @@
+/*
+ * This file is part of the Kimai time-tracking app.
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+.navbar-nav > li > a.ddt-large {
+    padding-top: 12px;
+    padding-bottom: 9px;
+}
+
+li.messages-menu ul.menu li .pull-left i {
+    color: #dd4b39;
+}
+
+.navbar-nav>.messages-menu>.dropdown-menu>li .menu>li>a>p {
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+
+.navbar-nav .start_record {
+    text-align: center;
+}
+
+/*
+.ticktac:hover i.running{
+    color: #4ff131;
+}
+
+li.open .ticktac i.running{
+    color: #4ff131;
+}
+
+.ticktac i.stopped{
+    color: #fff;
+}
+
+.ticktac:hover i.stopped{
+    color: #4ff131;
+}
+.user-panel>.info {
+    left: 40px;
+    padding-top: 0px;
+}
+*/