various fixes. added version#s and added a playable browser build of the solitaire game (including deploy to filebrowser script)

src/sim/narrate.ts

@@ -34,6 +34,9 @@ export function clockTime(stage: number): string {
 }
 
 export function carLabel(c: RollingStock): string {
+  // A caboose carries the crew, not freight, so "loaded caboose" is nonsense on the page even
+  // though the supply marks every caboose loaded. Name it plainly.
+  if (c.type === 'caboose') return 'caboose';
   return `${c.loaded ? 'loaded' : 'empty'} ${c.type}`;
 }