Move installation scripts to install/ dir

install/pwsh.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+set -o errexit -o nounset -o pipefail
+set -x
+
+function pwsh_install_dotnet() {
+  # https://docs.microsoft.com/en-us/powershell/scripting/install/installing-powershell-core-on-linux#install-as-a-net-global-tool
+  dotnet tool install --global PowerShell
+  dotnet tool update --global PowerShell
+}
+
+function pwsh_install_apt() {
+  # https://learn.microsoft.com/en-us/powershell/scripting/install/install-ubuntu
+
+  sudo apt-get update
+  sudo apt-get install -y wget apt-transport-https software-properties-common
+  wget -O /tmp/packages-microsoft-prod.deb "https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/packages-microsoft-prod.deb"
+  sudo dpkg -i /tmp/packages-microsoft-prod.deb
+  rm /tmp/packages-microsoft-prod.deb
+  sudo apt-get update
+  sudo apt-get install -y powershell
+}
+
+pwsh_install_apt