[docs] [js] add function-paren-newline eslint reference link

Author: raunofreiberg

README.md

@@ -879,7 +879,7 @@ Other Style Guides
     ```
 
   <a name="functions--signature-invocation-indentation"></a>
-  - [7.15](#functions--signature-invocation-indentation) Functions with multiline signatures, or invocations, should be indented just like every other multiline list in this guide: with each item on a line by itself, with a trailing comma on the last item.
+  - [7.15](#functions--signature-invocation-indentation) Functions with multiline signatures, or invocations, should be indented just like every other multiline list in this guide: with each item on a line by itself, with a trailing comma on the last item. eslint: [`function-paren-newline`](https://eslint.org/docs/rules/function-paren-newline)
 
     ```javascript
     // bad