Add some simple styles to component-list

Author: jelbourn

src/app/pages/component-list/component-list.html

@@ -1,5 +1,7 @@
-<div *ngFor="let component of componentItems">
-  <img src="../../../assets/img/components/{{component.src}}.svg" [alt]="component.name">
+<div *ngFor="let component of componentItems" class="docs-component-list-item">
+  <img src="../../../assets/img/components/{{component.src}}.svg"
+      class="docs-component-list-item-icon"
+      [alt]="component.name">
   {{component.name}}
 </div>
 

src/app/pages/component-list/component-list.scss

@@ -0,0 +1,12 @@
+.docs-component-list-item {
+  display: inline-flex;
+  flex-direction: column;
+  align-items: center;
+
+  margin: 16px;
+
+}
+
+.docs-component-list-item-icon {
+  margin-bottom: 8px;
+}