restore composer.json, add mysqli extension

public/vendor/dashboard/app-assets/css/pages/knowledge-base.css

@@ -0,0 +1,57 @@
+/*========================================================
+        DARK LAYOUT
+=========================================================*/
+.knowledge-base-bg
+{
+    background: url(../../../app-assets/images/pages/knowledge-base-cover.jpg) no-repeat;
+    -webkit-background-size: cover;
+            background-size: cover;
+}
+
+.knowledge-base-category .list-group-item,
+.knowledge-base-question .list-group-item
+{
+    padding: .5rem 0;
+}
+.knowledge-base-category .list-group-item:hover,
+.knowledge-base-question .list-group-item:hover
+{
+    background-color: transparent;
+}
+
+.article-question li
+{
+    display: -webkit-box;
+    display: -webkit-flex;
+    display:    -moz-box;
+    display: -ms-flexbox;
+    display:         flex; 
+
+    margin-bottom: .5rem;
+}
+
+.article-question i
+{
+    font-size: 1.2rem;
+
+    position: relative;
+    top: 2px;
+
+    margin: 0 .5rem;
+}
+
+@media only screen and (min-width: 992px)
+{
+    .knowledge-base-bg .card-body
+    {
+        padding: 8rem !important;
+    }
+}
+
+@media only screen and (min-width: 768px) and (max-width: 991px)
+{
+    .knowledge-base-bg .card-body
+    {
+        padding: 6rem !important;
+    }
+}