Added install-salesforce-cli.ps1

scripts/install-salesforce-cli.ps1

@@ -0,0 +1,32 @@
+<#
+.SYNOPSIS
+    Installs the Salesforce CLI (sfdx) on Windows.
+.DESCRIPTION
+    This PowerShell script downloads and installs the Salesforce CLI.
+.EXAMPLE
+    PS> ./install-salesforce-cli.ps1
+    (The Salesforce CLI installer will be downloaded and run.)
+#>
+
+try {
+    # Define the URL of the Salesforce CLI installer
+    $url = "https://developer.salesforce.com/media/salesforce-cli/sf/channels/stable/sf-x64.exe"
+    
+    # Define the output path for the downloaded installer
+    $output = "$env:USERPROFILE\Downloads\sfdx-windows-x64.exe"
+    
+    # Download the installer
+    Invoke-WebRequest -Uri $url -OutFile $output
+
+    # Run the installer
+    Start-Process -FilePath $output -ArgumentList "/silent" -Wait
+    
+    # Verify the installation
+    sfdx --version
+    Write-Output "Salesforce CLI installed successfully."
+
+    exit 0 # success
+} catch {
+    Write-Output "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+    exit 1
+}