fix: Inlay hints update after formatting on write. (#3)

Author: rockerBOO

README.md

@@ -53,7 +53,7 @@ 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" }
+autocmd InsertLeave,BufEnter,BufWinEnter,TabEnter,BufWritePost *.rs :lua require'lsp_extensions'.inlay_hints{ prefix = ' » ', highlight = "NonText" }
 ```
 
 ## Clips