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

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

@@ -0,0 +1,20 @@
+" Elm filetype plugin file
+" Language: Elm
+" Maintainer: Andreas Scharf <as@99n.de>
+" Latest Revision: 2022-04-25
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal comments=s1fl:{-,mb:\ ,ex:-},:--
+setlocal commentstring=--\ %s
+
+let b:undo_ftplugin = "setl com< cms<"
+
+let &cpo = s:cpo_save
+unlet s:cpo_save