Add context menu icons and styles for improved UI interaction

app/src/styles/main.scss

@@ -27,6 +27,7 @@
 @use "components/simulation/analysis";
 @use "components/logs/logs";
 @use "components/footer/footer.scss";
+@use "components/contextMenu/contextMenu";
 
 // layout
 @use "layout/loading";
@@ -46,4 +47,4 @@
 //
 @use "./scene/scene";
 @use "./scene/comments";
-@use "./scene/cursors.scss";
+@use "./scene/cursors.scss";