Moved Angular Material Elements examples

Prepared the navigation for the documentation update

src/app/main/angular-material-elements/angular-material-elements.component.scss

@@ -0,0 +1,9 @@
+:host {
+
+    .angular-material-elements {
+
+        > .content {
+            max-width: 960px;
+        }
+    }
+}