Update typescript-support.md (#1387)

Co-authored-by: Vladislav Sholokhov <[email protected]>

Author: vladsholokhov

src/guide/typescript-support.md

@@ -88,7 +88,7 @@ Or, if you want to combine TypeScript with a [JSX `render` function](/guide/rend
 
 For developing Vue applications with TypeScript, we strongly recommend using [Visual Studio Code](https://code.visualstudio.com/), which provides great out-of-the-box support for TypeScript. If you are using [single-file components](./single-file-component.html) (SFCs), get the awesome [Volar extension](https://github.com/johnsoncodehk/volar), which provides TypeScript inference inside SFCs and many other great features.
 
-[WebStorm](https://www.jetbrains.com/webstorm/) also provides out-of-the-box support for both TypeScript and Vue.
+[WebStorm](https://www.jetbrains.com/webstorm/) provides out of the box support for both TypeScript and Vue. Other JetBrains IDEs also support them, either out of the box or via [this free plugin](https://plugins.jetbrains.com/plugin/9442-vue-js).
 
 ## Defining Vue Components