Add setup script for softlinking src folder

setup.ps1

@@ -0,0 +1,38 @@
+if (-Not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]'Administrator'))
+{
+    $CommandLine = "-c cd '$pwd'; & `"" + $MyInvocation.MyCommand.Path + "`""
+    Start-Process powershell -Verb runas -ArgumentList $CommandLine
+    exit
+}
+
+# Folder handle for the submodule src folder
+$srcFolder = "typescript-template\src\"
+
+# Init git submodules
+git submodule update --init --recursive
+# Check if submodule src folder exists
+if (!(Test-Path $srcFolder))
+{
+    Write-Host "No submodule src folder found"
+    # Make a link from the src folder to the submodule src folder
+    New-Item -ItemType SymbolicLink -Path $srcFolder -Target src
+}
+elseif ((Get-Item $srcFolder).Attributes -match 'ReparsePoint')
+{
+    Write-Host "Submodule src folder is a soft link"
+    # Remove the soft link
+    Remove-Item $srcFolder -Recurse
+
+    # Make a link from the src folder to the submodule src folder
+    New-Item -ItemType SymbolicLink -Path $srcFolder -Target src
+}
+else
+{
+    Write-Host "Submodule src folder is newly created"
+    # Remove the src folder
+    Remove-Item $srcFolder -Recurse
+
+    # Make a link from the src folder to the submodule src folder
+    New-Item -ItemType SymbolicLink -Path $srcFolder -Target src
+}
+# Add Read-Host to see the output