Add Windows one-command installer for contributors

install_windows.ps1

@@ -0,0 +1,75 @@
+param(
+    [string]$RepoId = "KLP2-PCD/KLP2",
+    [string]$TargetDir = "",
+    [switch]$SkipApps,
+    [switch]$SkipContributorSetup
+)
+
+$ErrorActionPreference = "Stop"
+
+function Write-Step {
+    param([string]$Message)
+    Write-Host ""
+    Write-Host "==> $Message" -ForegroundColor Cyan
+}
+
+function Has-Command {
+    param([string]$Name)
+    return [bool](Get-Command $Name -ErrorAction SilentlyContinue)
+}
+
+function Install-WithWinget {
+    param(
+        [string]$PackageId,
+        [string]$Name
+    )
+
+    Write-Step "Install/cek $Name"
+    winget install --id $PackageId --exact --accept-source-agreements --accept-package-agreements --silent
+}
+
+Write-Step "Bootstrap installer Windows"
+
+if (-not (Has-Command "winget")) {
+    throw "winget tidak ditemukan. Install 'App Installer' dari Microsoft Store, lalu jalankan script ini lagi."
+}
+
+if (-not $SkipApps) {
+    if (-not (Has-Command "git")) {
+        Install-WithWinget -PackageId "Git.Git" -Name "Git for Windows"
+    } else {
+        Write-Host "Git sudah tersedia: $(& git --version)"
+    }
+
+    if (-not (Has-Command "python")) {
+        Install-WithWinget -PackageId "Python.Python.3.10" -Name "Python 3.10"
+    } else {
+        Write-Host "Python sudah tersedia: $(& python --version)"
+    }
+
+    if (-not (Has-Command "code")) {
+        Install-WithWinget -PackageId "Microsoft.VisualStudioCode" -Name "Visual Studio Code"
+    } else {
+        Write-Host "VS Code sudah tersedia."
+    }
+} else {
+    Write-Host "Skip install aplikasi karena parameter -SkipApps dipakai."
+}
+
+Write-Step "Refresh PATH untuk sesi PowerShell ini"
+$machinePath = [Environment]::GetEnvironmentVariable("Path", "Machine")
+$userPath = [Environment]::GetEnvironmentVariable("Path", "User")
+$env:Path = "$machinePath;$userPath"
+
+if ($SkipContributorSetup) {
+    Write-Host "Bootstrap selesai. setup_contributor.ps1 tidak dijalankan karena -SkipContributorSetup dipakai."
+    exit 0
+}
+
+$setupScript = Join-Path $PSScriptRoot "setup_contributor.ps1"
+if (-not (Test-Path $setupScript)) {
+    throw "setup_contributor.ps1 tidak ditemukan di folder yang sama dengan install_windows.ps1."
+}
+
+Write-Step "Jalankan setup kontributor project"
+& $setupScript -RepoId $RepoId -TargetDir $TargetDir