Fixed wrong content.action.* feature flags

Author: squidfunk

Diff for: docs/setup/adding-a-git-repository.md

@@ -112,15 +112,15 @@ the following lines to `mkdocs.yml`:
     ``` yaml
     theme:
       features:
-        - code.action.edit
+        - content.action.edit
     ```
 
 === ":material-eye: View source of this page"
 
     ``` yaml
     theme:
       features:
-        - code.action.view
+        - content.action.view
     ```
 
 The icon of the edit and view buttons can be changed with the following lines: