Initial commit: Media Server for remote media control

FastAPI REST API server for controlling system-wide media playback
on Windows, Linux, macOS, and Android.

Features:
- Play/Pause/Stop/Next/Previous track controls
- Volume control and mute
- Seek within tracks
- Current track info (title, artist, album, artwork)
- WebSocket real-time status updates
- Script execution API
- Token-based authentication
- Cross-platform support

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

media_server/service/install_task_windows.ps1

@@ -0,0 +1,10 @@
+# Get the project root directory (two levels up from this script)
+$projectRoot = (Get-Item $PSScriptRoot).Parent.Parent.FullName
+
+$action = New-ScheduledTaskAction -Execute "python" -Argument "-m media_server.main" -WorkingDirectory $projectRoot
+$trigger = New-ScheduledTaskTrigger -AtStartup
+$principal = New-ScheduledTaskPrincipal -UserId "$env:USERNAME" -LogonType S4U -RunLevel Highest
+$settings = New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -StartWhenAvailable
+Register-ScheduledTask -TaskName "MediaServer" -Action $action -Trigger $trigger -Principal $principal -Settings $settings -Description "Media Server for Home Assistant"
+
+Write-Host "Scheduled task 'MediaServer' created with working directory: $projectRoot"