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>

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

routers/web/repo/view.go

@@ -382,6 +382,7 @@ func renderFile(ctx *context.Context, entry *git.TreeEntry, treeLink, rawLink st
 	ctx.Data["IsRepresentableAsText"] = isRepresentableAsText
 	ctx.Data["IsDisplayingSource"] = isDisplayingSource
 	ctx.Data["IsDisplayingRendered"] = isDisplayingRendered
+	ctx.Data["IsExecutable"] = entry.IsExecutable()
 
 	isTextSource := fInfo.isTextFile || isDisplayingSource
 	ctx.Data["IsTextSource"] = isTextSource

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>