all: Format code with gofumpt

See https://github.com/mvdan/gofumpt

helpers/docshelper.go

@@ -11,9 +11,7 @@ import (
 
 // This is is just some helpers used to create some JSON used in the Hugo docs.
 func init() {
-
 	docsProvider := func() docshelper.DocProvider {
-
 		var chromaLexers []interface{}
 
 		sort.Sort(lexers.Registry.Lexers)
@@ -50,7 +48,6 @@ func init() {
 		}
 
 		return docshelper.DocProvider{"chroma": map[string]interface{}{"lexers": chromaLexers}}
-
 	}
 
 	docshelper.AddDocProviderFunc(docsProvider)