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

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

@@ -0,0 +1,14 @@
+" Vim filetype plugin file
+" Language:     Pixar Animation's Universal Scene Description format
+" Maintainer:   Colin Kennedy <colinvfx@gmail.com>
+" Last Change:  2023 May 9
+"               2023 Aug 28 by Vim Project (undo_ftplugin)
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+setlocal commentstring=#\ %s
+
+let b:undo_ftplugin = "setlocal commentstring<"