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

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

@@ -0,0 +1,38 @@
+" Vim filetype plugin file
+" Language:	ABAP
+" Author:	Steven Oliver <oliver.steven@gmail.com>
+" Copyright:	Copyright (c) 2013 Steven Oliver
+" License:	You may redistribute this under the same terms as Vim itself
+" Last Change:	2023 Aug 28 by Vim Project (undo_ftplugin)
+"               2024 Jan 14 by Vim Project (browsefilter)
+" --------------------------------------------------------------------------
+
+" Only do this when not done yet for this buffer
+if (exists("b:did_ftplugin"))
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+setlocal softtabstop=2 shiftwidth=2
+setlocal suffixesadd=.abap
+
+let b:undo_ftplugin = "setl sts< sua< sw<"
+
+" Windows allows you to filter the open file dialog
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "ABAP Source Files (*.abap)\t*.abap\n"
+  if has("win32")
+    let b:browsefilter ..= "All Files (*.*)\t*\n"
+  else
+    let b:browsefilter ..= "All Files (*)\t*\n"
+  endif
+  let b:undo_ftplugin ..= " | unlet! b:browsefilter"
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: set sw=4 sts=4 et tw=80 :