Break up code creating highlight groups and pass in line numbers

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

layouts/shortcodes/codeblock.html

@@ -1,2 +1,10 @@
 {{ partial "geturl.html" (dict "scratch" .Scratch "path" (.Get 1) "siteSourceUrl" .Site.Params.siteSourceUrl "submoduleLinks" .Site.Data.submodules) }}
-{{ partial "highlightgroup.html" (dict "url" (.Scratch.Get "bestUrl") "path" (.Get 1) "comment" ", entire file" "code" (readFile (printf "code/%s" (.Get 1))) "language" (.Get 0) "opts" "linenos=table") }}
+{{ $groupconfig := dict
+       "url" (.Scratch.Get "bestUrl")
+       "path" (.Get 1)
+       "comment" ", entire file"
+       "code" (readFile (printf "code/%s" (.Get 1)))
+       "language" (.Get 0)
+       "opts" "linenos=table"
+}}
+{{ partial "highlightgroup.html" $groupconfig }}

layouts/shortcodes/codelines.html

@@ -23,7 +23,17 @@
 {{ with (.Scratch.Get "hidden") }}
 <details><summary>{{ . | markdownify }}</summary>
 {{ end }}
-{{ partial "highlightgroup.html" (dict "url" (.Scratch.Get "bestUrl") "path" (.Get 1) "comment" (.Scratch.Get "comment") "code" (delimit $lines "\n") "language" (.Get 0) "opts" (printf "linenos=table,linenostart=%d%s" (.Get 2) (.Scratch.Get "opts"))) }}
+{{ $groupconfig := dict
+       "url" (.Scratch.Get "bestUrl")
+       "path" (.Get 1)
+       "comment" (.Scratch.Get "comment")
+       "code" (delimit $lines "\n")
+       "firstLine" (int (.Get 2))
+       "lastLine" (int (.Get 3))
+       "language" (.Get 0)
+       "opts" (printf "linenos=table,linenostart=%d%s" (.Get 2) (.Scratch.Get "opts"))
+}}
+{{ partial "highlightgroup.html" $groupconfig }}
 {{ with (.Scratch.Get "hidden") }}
 </details>
 {{ end }}