patch 9.1.0464: no whitespace padding in commentstring option in ftplugins

Problem:  no whitespace padding in commentstring option in ftplugins
Solution: Change default to include whitespace padding, update
          existing filetype plugins with the new default value
          (Riley Bruins)

closes: #14843

Signed-off-by: Riley Bruins <ribru17@hotmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/.github/MAINTAINERS b/.github/MAINTAINERS
index dbc0486..91c3284 100644
--- a/.github/MAINTAINERS
+++ b/.github/MAINTAINERS
@@ -179,6 +179,7 @@
 runtime/ftplugin/less.vim		@genoma
 runtime/ftplugin/liquid.vim		@tpope
 runtime/ftplugin/lua.vim		@dkearns
+runtime/ftplugin/lc.vim			@ribru17
 runtime/ftplugin/lynx.vim		@dkearns
 runtime/ftplugin/m3build.vim		@dkearns
 runtime/ftplugin/m3quake.vim		@dkearns