Removed generated css; Renamed SASS files that are @use only (imported) to have an _ prefix as per spec; Tried to customize the SMUI sass, but was having problems with compiling not finding the SMUI source files; Added initial cut of asset check out system.

client/_smui.sass

@@ -0,0 +1,7 @@
+//@use '~@material/theme/_index.scss' as theme
+//@use '~@smui/paper/index' as paper
+//
+//@include paper.paper-color(custom-green, theme.$green-800, theme.accessible-ink-color(theme.$green-800))
+//
+//.custom-green
+//	color: theme.$green-800