Add first build script

bin/build.ps1

+Write-Output "Building Windows Decker"
+& yarn install
+& yarn run webpack --mode production
+Copy-Item -Recurse -Force node_modules/reveal.js-menu resource/support/
+#Copy-Item -Recurse -Force node_modules/reveal.js/plugin/notes resource/support/
+New-Item -ItemType directory -Force -Path resource/support/notes
+Copy-Item -Force node_modules/reveal.js/plugin/notes/notes.html resource/support/notes/notes.html
+Copy-Item -Force node_modules/reveal.js/plugin/notes/notes.js resource/support/notes/notes.js
+New-Item -ItemType directory -Force -Path resource/support/print
+Copy-Item -Force node_modules/reveal.js/css/print/paper.css resource/support/print/paper.css
+Copy-Item -Force node_modules/reveal.js/css/print/pdf.css resource/support/print/pdf.css
+& stack build -j4
+
+$binpath=(Join-Path ($(stack path | Select-String -Pattern "local-install-root") -split " ")[1] "bin\decker.exe")
+Copy-Item $binpath .
+
+$version = Get-Content .\package.yaml | Select-String -Pattern "version: "
+$version = $version -replace "\s+", " "
+$version = ($version -split " ")[1]
+Write-Output $version > version.txt
+
+Compress-Archive -Force -Path .\resource -CompressionLevel Fastest -DestinationPath resource

src-win/System/Decker/OS.hs

@@ -6,6 +6,7 @@ module System.Decker.OS
   ) where
 
 import Common
+import Data.List
 import System.Environment
 import System.FilePath