CI: Add Steam build uploader

CI/steam/scripts/uninstall.bat

@@ -0,0 +1,33 @@
+@echo off
+@cd /d "%~dp0"
+goto checkAdmin
+
+:checkAdmin
+	net session >nul 2>&1
+	if %errorLevel% == 0 (
+		echo.
+	) else (
+		echo Administrative rights are required. Please re-run this script as Administrator.
+		goto end
+	)
+
+:clearRegistry
+	reg delete "HKLM\SOFTWARE\OBS Studio" /f /reg:32
+	reg delete "HKLM\SOFTWARE\OBS Studio" /f /reg:64
+	:: Vulkan layer keys
+	reg delete "HKLM\SOFTWARE\Khronos\Vulkan\ImplicitLayers" /f /v "%PROGRAMDATA%\obs-studio-hook\obs-vulkan64.json" /reg:32
+	reg delete "HKLM\SOFTWARE\Khronos\Vulkan\ImplicitLayers" /f /v "%PROGRAMDATA%\obs-studio-hook\obs-vulkan32.json" /reg:64
+
+:deleteProgramDataFolder
+	RMDIR /S /Q "%PROGRAMDATA%\obs-studio-hook"
+
+:uninstallDLLs
+	regsvr32.exe /u /s %1\data\obs-plugins\win-dshow\obs-virtualcam-module32.dll
+	regsvr32.exe /u /s %1\data\obs-plugins\win-dshow\obs-virtualcam-module64.dll
+
+:endSuccess
+	echo Virtual Cam uninstalled!
+	echo.
+
+:end
+	exit