made the pack completely portable and wrote relevent bat files to go with it

gitportable/usr/share/vim/vim91/ftplugin/mma.vim

@@ -0,0 +1,17 @@
+" Vim filetype plugin file
+" Language:	Mathematica
+" Maintainer:	Ian Ford <ianf@wolfram.com>
+" Last Change:	2019 Jan 22
+" 		2024 May 23 by Riley Bruins <ribru17@gmail.com> ('commentstring')
+
+" Only do this when not done yet for this buffer
+if exists("b:did_ftplugin")
+	finish
+endif
+
+" Don't load another plugin for this buffer
+let b:did_ftplugin = 1
+
+let b:undo_ftplugin = "setlocal commentstring<"
+
+setlocal commentstring=\(*\ %s\ *\)