runtime(tf): include tf ftplugin file

Adds ftplugin support for tf (TinyFugue). Comment support taken from
[here](https://github.com/kruton/tinyfugue/blob/1e8ac0bb014036c07bb3c679b0292ef20a6a0bb5/src/command.c#L568)

closes: #15168

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 5194235..8e3eeea 100644
--- a/.github/MAINTAINERS
+++ b/.github/MAINTAINERS
@@ -248,6 +248,7 @@
 runtime/ftplugin/tap.vim		@petdance
 runtime/ftplugin/tcsh.vim		@dkearns
 runtime/ftplugin/terraform.vim		@JannoTjarks
+runtime/ftplugin/tf.vim			@ribru17
 runtime/ftplugin/tidy.vim		@dkearns
 runtime/ftplugin/tmux.vim		@ericpruitt
 runtime/ftplugin/toml.vim		@averms
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index ba22ad4..77f209e 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -2461,10 +2461,10 @@
 " Tidy config
 au BufNewFile,BufRead .tidyrc,tidyrc,tidy.conf	setf tidy
 
-" TF mud client
+" TF (TinyFugue) mud client
 au BufNewFile,BufRead .tfrc,tfrc		setf tf
 
-" TF mud client or terraform
+" TF (TinyFugue) mud client or terraform
 au BufNewFile,BufRead *.tf			call dist#ft#FTtf()
 
 " TLA+
diff --git a/runtime/ftplugin/tf.vim b/runtime/ftplugin/tf.vim
new file mode 100644
index 0000000..1571d5e
--- /dev/null
+++ b/runtime/ftplugin/tf.vim
@@ -0,0 +1,13 @@
+" Vim filetype plugin
+" Language:	tf (TinyFugue)
+" 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<'