runtime(cmakecache): include cmakecache ftplugin file

closes: #15175

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 d0a75f9..2b72f13 100644
--- a/.github/MAINTAINERS
+++ b/.github/MAINTAINERS
@@ -119,6 +119,7 @@
 runtime/ftplugin/chatito.vim		@ObserverOfTime
 runtime/ftplugin/chicken.vim		@evhan
 runtime/ftplugin/clojure.vim		@axvr
+runtime/ftplugin/cmakecache.vim		@ribru17
 runtime/ftplugin/cs.vim			@nickspoons
 runtime/ftplugin/csh.vim		@dkearns
 runtime/ftplugin/css.vim		@dkearns