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

gitportable/usr/share/vim/vim91/compiler/eslint.vim

@@ -0,0 +1,12 @@
+" Vim compiler file
+" Compiler:    ESLint for JavaScript
+" Maintainer:  Romain Lafourcade <romainlafourcade@gmail.com>
+" Last Change: 2024 Nov 30
+
+if exists("current_compiler")
+  finish
+endif
+let current_compiler = "eslint"
+
+CompilerSet makeprg=npx\ eslint\ --format\ stylish
+CompilerSet errorformat=%-P%f,\%\\s%#%l:%c\ %#\ %trror\ \ %m,\%\\s%#%l:%c\ %#\ %tarning\ \ %m,\%-Q,\%-G%.%#,