Show in Web UI if file is vendored and generated (#28620)

This simple shows in the Web UI is a file is vendored and/or generated.


![grafik](https://github.com/go-gitea/gitea/assets/15185051/bfe45fcc-cfec-4ba1-8d93-c0a262c3ae1c)

![grafik](https://github.com/go-gitea/gitea/assets/15185051/9f222a49-e7bf-4540-ba64-43dcc5767b76)

---------

Co-authored-by: delvh <dev.lh@web.de>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

templates/repo/file_info.tmpl

@@ -30,6 +30,16 @@
 			{{ctx.Locale.Tr "repo.executable_file"}}
 		</div>
 	{{end}}
+	{{if .IsVendored}}
+		<div class="file-info-entry">
+			{{ctx.Locale.Tr "repo.vendored"}}
+		</div>
+	{{end}}
+	{{if .IsGenerated}}
+		<div class="file-info-entry">
+			{{ctx.Locale.Tr "repo.generated"}}
+		</div>
+	{{end}}
 	{{if .ImageSize}}
 		<div class="file-info-entry">
 			{{.ImageSize}}