Remove newlines from group dict info

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

layouts/shortcodes/codelines.html

@@ -23,7 +23,7 @@
 {{ with (.Scratch.Get "hidden") }}
 <details><summary>{{ . | markdownify }}</summary>
 {{ end }}
-{{ $groupconfig := dict
+{{- $groupconfig := dict
        "url" (.Scratch.Get "bestUrl")
        "basePath" (.Scratch.Get "bestPath")
        "path" (.Get 1)
@@ -33,7 +33,7 @@
        "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>