refactor: move to sh scripts (#17)

linux/ubuntu/scripts/pwsh.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+set -Eeuxo pipefail
+
+printf "\n\t🐋 Installing PowerShell 🐋\t\n"
+sudo apt-get -yq update
+sudo apt-get -yq install powershell
+
+printf "\n\t🐋 Installed PWSH 🐋\t\n"
+pwsh -v
+
+printf "\n\t🐋 Installing PowerShell modules 🐋\t\n"
+modules=("MarkdownPS" "Pester" "PSScriptAnalyzer")
+
+for mod in "${modules[@]}"; do
+    printf "\n\t🐋 Installing %s 🐋\t\n" "${mod}"
+    pwsh -nol -nop -c "Install-Module -Name ${mod} -Scope AllUsers -SkipPublisherCheck -Force"
+done
+
+printf "\n\t🐋 Cleaning image 🐋\t\n"
+apt-get clean
+rm -rf /var/cache/* /var/log/* /var/lib/apt/lists/* /tmp/* || echo 'Failed to delete directories'
+
+printf "\n\t🐋 Cleaned up image 🐋\t\n"