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

gitportable/usr/share/vim/vim91/indent/scheme.vim

@@ -0,0 +1,15 @@
+" Vim indent file
+" Language:            Scheme
+" Last Change:         2024 Jun 21
+" Maintainer:          Evan Hanson <evhan@foldling.org>
+" Previous Maintainer: Sergey Khorev <sergey.khorev@gmail.com>
+" Repository:          https://git.foldling.org/vim-scheme.git
+" URL:                 https://foldling.org/vim/indent/scheme.vim
+
+" Only load this indent file when no other was loaded.
+if exists("b:did_indent")
+  finish
+endif
+
+" Use the Lisp indenting
+runtime! indent/lisp.vim