lang/web: fix stylus-mode (install sws-mode) #1775

For some reason, even though sws-mode is a declared dependency of
stylus-mode, it doesn't get installed, so we have to do so manually.

modules/lang/web/packages.el

@@ -16,6 +16,7 @@
 
 (package! sass-mode)
 (package! stylus-mode)
+(package! sws-mode)
 (package! rainbow-mode)
 (when (featurep! :completion ivy)
   (package! counsel-css))