doc: update installation instructions for Vite

Make assetsInclude for Vite more specific

Include as asssets all wasm files in vscode-oniguruma

README.md

@@ -26,6 +26,11 @@ npm install -D @types/vscode
 }
 ```
 
+If you use Vite, add in your vite.config.js:
+```js
+assetsInclude: ['node_modules/vscode-oniguruma/**/*.wasm']
+```
+
 ### Why?
 
 Monaco-editor is a library that is constructed using code from vscode and goes through an intense treeshaking process.
@@ -261,4 +266,4 @@ With this library, it would be possible to plug vscode-languageclient directly o
 
 - Adding some tweaks to the VSCode LanguageClient (Removing unsupported features...)
 - Providing some examples on how to build an app using it
-- Adding some tools (DisposableCollection)
+- Adding some tools (DisposableCollection)