Issue 388 - Device node (#397)

* Issue 388 - Device node (first version before review) (#388)

* fix: style linting issues

* review: revert the same padding size of the level 1 components on the sidebar

* feat(uhk-icon): Create uhk-icon set and fix USB device icon visibility in electron

* style: Use semicolon in js files

packages/uhk-web/src/app/components/side-menu/side-menu.component.scss

@@ -27,8 +27,15 @@ ul {
 }
 
 .sidebar {
-    &__level-1 {
+    &__level-0 {
         padding: 0.5rem 1rem;
+    }
+    &__level-1 {
+        padding: 0.5rem 1rem 0.5rem 2rem;
+    }
+
+    &__level-0 ,
+    &__level-1 {
         font-size: 2rem;
         line-height: 3rem;
         cursor: default;
@@ -48,11 +55,6 @@ ul {
             }
         }
 
-        .sidebar__name {
-            width: 100%;
-            display: block;
-        }
-
         .fa-chevron-up,
         .fa-chevron-down {
             margin-right: 1rem;
@@ -111,6 +113,7 @@ ul {
     }
 
     // General hover over menu items.
+    &__level-0,
     &__level-1,
     &__level-2 {
         &:hover {