Update documentation for tailwindcss language server now that HTML/ERB is it's own file. (#33684)

Jacob Duba created 

Hello,

Recently my tailwind auto completion broke in ERB files. I noticed that
HTML/ERB is it's own file type now. It used to be ERB. This broke the
previous tailwindcss ERB configuration. I made the attached change to my
configuration and it works now.

Change summary

docs/src/languages/ruby.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

docs/src/languages/ruby.md 🔗 

@@ -256,7 +256,7 @@ In order to do that, you need to configure the language server so that it knows
     "tailwindcss-language-server": {
       "settings": {
         "includeLanguages": {
-          "erb": "html",
+          "html/erb": "html",
           "ruby": "html"
         },
         "experimental": {