fix: react-vue.mdx (--save-dev instead of --dev) (dotansimha#10442)

Author: blankse

website/src/pages/docs/guides/react-vue.mdx

@@ -47,7 +47,7 @@ For most GraphQL clients and frameworks (React, Vue), install the following pack
 
 ```sh npm2yarn
 npm install graphql
-npm install --dev typescript @graphql-codegen/cli @parcel/watcher
+npm install --save-dev typescript @graphql-codegen/cli @parcel/watcher
 ```
 
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