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/main.sass

@@ -2,6 +2,8 @@
 @import "./simple-grid.sass"
 @import "./app.sass"
 @import './material-icons.sass'
+@import './smui.sass'
+
 
 //.mdc-floating-label
 //	transform: translateY(-80%)