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

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

@@ -0,0 +1,25 @@
+vim9script
+
+# Vim indent file
+# Language:	Vim script
+# Maintainer:	The Vim Project <https://github.com/vim/vim>
+# Last Change:	2024 Jul 12
+# Former Maintainer:	Bram Moolenaar <Bram@vim.org>
+
+# Only load this indent file when no other was loaded.
+if exists('b:did_indent')
+    finish
+endif
+
+b:did_indent = true
+b:undo_indent = 'setlocal indentkeys< indentexpr<'
+
+import autoload '../autoload/dist/vimindent.vim'
+
+# export indentexpr as a global function, so it can be easily manipulated by plugins
+g:VimIndent = vimindent.Expr
+setlocal indentexpr=g:VimIndent()
+setlocal indentkeys+==endif,=enddef,=endfu,=endfor,=endwh,=endtry,=endclass,=endinterface,=endenum,=},=else,=cat,=finall,=END,0\\
+execute('setlocal indentkeys+=0=\"\\\ ,0=#\\\ ')
+setlocal indentkeys-=0#
+setlocal indentkeys-=: