Show if File is Executable (#25287) (#25300)

Backport #25287 by @JakobDev

This simply shows if a File has the executable Permission


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

Co-authored-by: JakobDev <jakobdev@gmx.de>
Co-authored-by: silverwind <me@silverwind.io>

templates/repo/file_info.tmpl

@@ -25,4 +25,9 @@
 			{{.LexerName}}
 		</div>
 	{{end}}
+	{{if .IsExecutable}}
+		<div class="file-info-entry">
+			{{.locale.Tr "repo.executable_file"}}
+		</div>
+	{{end}}
 </div>