feat: initial CLI converter (v1.2)

install.ps1

@@ -0,0 +1,39 @@
+[Console]::OutputEncoding = [System.Text.Encoding]::UTF8
+$OutputEncoding = [System.Text.Encoding]::UTF8
+
+function pressEnterToExit {
+    Write-Host "Press Enter to exit... " -NoNewline
+    [void][System.Console]::ReadLine()
+}
+
+$installPath = Join-Path $HOME "programs\convert"
+New-Item -Force -ItemType Directory $installPath | Out-Null
+
+$executablePath = Join-Path $installPath convert.exe
+go build -o $executablePath
+
+if ($LASTEXITCODE -eq 0) {
+    Write-Host "✅ built: $executablePath"
+} else {
+    Write-Host "❌ build error"
+    pressEnterToExit
+    exit $LASTEXITCODE
+}
+
+reg add "HKCU\Software\Classes\SystemFileAssociations\.mp4\shell\convert" /ve /d "convert" /f > $null
+if ($LASTEXITCODE -ne 0) {
+    Write-Host "❌ reg error"
+    pressEnterToExit
+    exit $LASTEXITCODE
+} 
+
+$command = $executablePath + " -i `"%1`""
+reg add "HKCU\Software\Classes\SystemFileAssociations\.mp4\shell\convert\command" /ve /d $command /f  > $null
+if ($LASTEXITCODE -ne 0) {
+    Write-Host "❌ reg error"
+    pressEnterToExit
+    exit $LASTEXITCODE
+}
+
+Write-Host "✅ reg values added"
+pressEnterToExit