Show if File is Executable (#25287)

This simply shows if a File has the executable Permission


![grafik](https://github.com/go-gitea/gitea/assets/15185051/1d50c105-6d55-4ecc-808a-c9cd5559d238)

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Co-authored-by: silverwind <me@silverwind.io>
Co-authored-by: Giteabot <teabot@gitea.io>

options/locale/locale_en-US.ini

@@ -1156,6 +1156,7 @@ video_not_supported_in_browser = Your browser does not support the HTML5 'video'
 audio_not_supported_in_browser = Your browser does not support the HTML5 'audio' tag.
 stored_lfs = Stored with Git LFS
 symbolic_link = Symbolic link
+executable_file = Executable File
 commit_graph = Commit Graph
 commit_graph.select = Select branches
 commit_graph.hide_pr_refs = Hide Pull Requests