How to migrate deprecated expressions (#333)

* How to migrate deprecated expressions

* Update index.tsx

fix nested quotes

* Another attempt at nested quotes

docs/src/routes/deprecations/index.tsx

@@ -11,7 +11,7 @@ function Layers() {
             <Markdown content={`# Deprecations
 
 Some style properties are no longer the preferred method of accomplishing a particular styling goal. While they are still supported, they will eventually be removed from the MapLibre Style Specification and it is not recommended to use them in new styles. The following is provided as reference for users who need to continue maintaining legacy styles while transitioning to preferred style properties.
-
+The [\`gl-style-migrate\`](https://github.com/maplibre/maplibre-style-spec/blob/main/README.md#gl-style-migrate) tool can be used to migrate style files to the latest version and replace deprecated expressions with their supported equivalents.
 
 ## Function
 `}/>