doc: fix source link margin to sub-header mark

rodion-arr · addaleax · commit 5f131f71e902 · 2020-09-22T10:21:02.000+02:00
Prior to this commit, [src] link overlapped sharped (#) sub-header link PR-URL: #33664 Reviewed-By: James M Snell <jasnell@gmail.com>
diff --git a/doc/api_assets/style.css b/doc/api_assets/style.css
@@ -342,6 +342,7 @@ h5 {
 .srclink {
   float: right;
   font-size: smaller;
+  margin-right: 30px;
 }
 
 h1 span,
