Draw from 'data/' for submodule links

I didn't know about https://gohugo.io/templates/data-templates/

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>

layouts/partials/geturl.html

@@ -2,11 +2,10 @@
 {{ $scratch.Set "bestLength" -1 }}
 {{ $scratch.Set "bestUrl" (printf "%s/code/%s" .siteSourceUrl .path) }}
 {{ $filePath := .path }}
-{{ range $module, $props := .submoduleLinks }}
-{{ $path := index $props "path" }}
+{{ range $path, $url := .submoduleLinks }}
 {{ $bestLength := $scratch.Get "bestLength" }}
 {{ if and (le $bestLength (len $path)) (hasPrefix $filePath $path) }}
 {{ $scratch.Set "bestLength" (len $path) }}
-{{ $scratch.Set "bestUrl" (printf "%s%s" (index $props "url") (strings.TrimPrefix $path $filePath)) }}
+{{ $scratch.Set "bestUrl" (printf "%s%s" $url (strings.TrimPrefix $path $filePath)) }}
 {{ end }}
 {{ end }}