add: linux powershell profile install

bin/linux/install_pwsh.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/bash
+set -eu
+
+# =========================================================
+# check executing location
+# =========================================================
+if [ ! -d "bin" -a ! -d "dotfiles" ]; then
+	echo "Wrong execution location"
+	echo "Please run this script on dotfiles root folder."
+	exit 1
+fi
+
+
+# =========================================================
+# links
+# =========================================================
+mkdir -p ~/.config/powershell
+ln -sb $(pwd)/dotfiles/pwsh/powershell_profile.ps1 ~/.config/powershell/Microsoft.PowerShell_profile.ps1
+