hugo config rename par -> repo_branch

hugo/config.toml

@@ -21,7 +21,8 @@ PygmentsStyle = "vs"
   url_userapi = "https://bornagainproject.org/ext/api/git-main/user-API"
   version_mm = "git-main"
   version_mmp = "1.19.79"
-  version_repo = "main"
+  # for links to source repository
+  repo_branch = "main"
   url_blob = "https://jugit.fz-juelich.de/mlz/bornagain/-/blob"
   recommended_python_major = "3"
   recommended_python_minor = "9"

hugo/layouts/shortcodes/highlightfile.html

@@ -12,4 +12,4 @@ Argument 1 = File path below /src/
 {{ highlight (print $file) $lang $opt}}
 
 <a class="linktofile"
-   href="{{.Site.Params.url_blob}}/{{.Site.Params.version_repo}}/{{(printf $src)}}"/>{{$src}}</a>
+   href="{{.Site.Params.url_blob}}/{{.Site.Params.repo_branch}}/{{(printf $src)}}"/>{{$src}}</a>