Add Diff Download to Compare List

Author: 6543

docs/content/doc/features/comparison.en-us.md

@@ -105,6 +105,7 @@ _Symbols used in table:_
 | Revert specific commits or a merge request | [✘](https://github.com/go-gitea/gitea/issues/5158) | ✘ | ✓ | ✓ | ✓ | ✓ | ✘ |
 | Pull/Merge requests templates | ✓ | ✓ | ✓ | ✓ | ✓ | ✘ | ✘ |
 | Cherry-picking changes | [✘](https://github.com/go-gitea/gitea/issues/5158) | ✘ | ✘ | ✓ | ✓ | ✘ | ✘ |
+| Download Patch | [✓](https://github.com/go-gitea/gitea/issues/8444) | ? | ✓ | ✓ | ✓ | ? | ? |
 
 
 #### 3rd-party integrations