docs: multi-line code snippet for layout on mobile

Author: TkDodo

docs/src/pages/guides/migrating-to-react-query-4.md

@@ -28,11 +28,15 @@ You can easily apply it by using one (or both) of the following commands:
 
 If you want to run it against `.js` or `.jsx` files, please use the command below:
 
-`npx jscodeshift --extensions=js,jsx --transform=./node_modules/react-query/codemods/v4/key-transformation.js ./path/to/src/`
+```
+npx jscodeshift --extensions=js,jsx --transform=./node_modules/react-query/codemods/v4/key-transformation.js ./path/to/src/
+```
 
 If you want to run it against `.ts` or `.tsx` files, please use the command below:
 
-`npx jscodeshift --extensions=ts,tsx --parser=tsx --transform=./node_modules/react-query/codemods/v4/key-transformation.js ./path/to/src/`
+```
+npx jscodeshift --extensions=ts,tsx --parser=tsx --transform=./node_modules/react-query/codemods/v4/key-transformation.js ./path/to/src/
+```
 
 Please note in the case of `TypeScript` you need to use `tsx` as the parser otherwise, the codemod won't be applied properly!