Add js web stuff to landing page + documentation

go/cmd/twcss/main.go

@@ -2,7 +2,7 @@
 // scanning explicit content globs for utility candidates. Unlike the app bundler
 // (which is wired to the frontend tree) it takes the entry, output, and content
 // globs as flags/args, so it works for markup authored in any language — used by
-// the go-wasm-web example, whose UI is written in Go.
+// the kjol-web site, whose Go/WASM half writes its UI in Go.
 //
 // Usage (globs are relative to -base; pass "**" for a recursive walk):
 //