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
diff --git a/runtime/ftplugin/cmakecache.vim b/runtime/ftplugin/cmakecache.vim
new file mode 100644
index 0000000..6753cd2
--- /dev/null
+++ b/runtime/ftplugin/cmakecache.vim
@@ -0,0 +1,13 @@
+" Vim filetype plugin
+" Language:	cmakecache - CMakeCache.txt files generated by CMake
+" Maintainer:	Riley Bruins <ribru17@gmail.com>
+" Last Change:	2024 Jul 06
+
+if exists('b:did_ftplugin')
+  finish
+endif
+let b:did_ftplugin = 1
+
+setl comments=:#,:// commentstring=//\ %s
+
+let b:undo_ftplugin = 'setl com< cms<'