Add another example (#2)

* Add another example

* Updating to use », NonText in example.

Author: rockerBOO

README.md

@@ -50,6 +50,12 @@ require'lsp_extensions'.inlay_hints{
 }
 ```
 
+![Customized](https://i.imgur.com/FRRas1c.png)
+
+```vimscript
+autocmd InsertLeave,BufEnter,BufWinEnter,TabEnter *.rs :lua require'lsp_extensions'.inlay_hints{ prefix = ' » ', highlight = "NonText" }
+```
+
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