fix: add position fixed to html element

Author: danielbarion

docs/src/theme/TOC/index.js

@@ -21,7 +21,7 @@ export default function TOCWrapper(props) {
       {/* <AdsContainerElement id="right-sidebar-ads" /> */}
       <ins
         className="adsbygoogle"
-        style={{ display: 'block' }}
+        style={{ display: 'block', position: 'fixed' }}
         data-ad-client="ca-pub-7420210265158247"
         data-ad-slot="8711379942"
         data-ad-format="auto"