Add gamepad mapping DB from https://github.com/gabomdq/SDL_GameControllerDB

scripts/generate-installers.bat

@@ -90,6 +90,10 @@ echo Copying DLL dependencies
 copy %SOURCE_ROOT%\libs\windows\lib\%ARCH%\*.dll %DEPLOY_FOLDER%
 if !ERRORLEVEL! NEQ 0 goto Error
 
+echo Copying GC mapping list
+copy %SOURCE_ROOT%\app\gamecontrollerdb.txt %DEPLOY_FOLDER%
+if !ERRORLEVEL! NEQ 0 goto Error
+
 echo Deploying Qt dependencies
 windeployqt.exe --dir %DEPLOY_FOLDER% --%BUILD_CONFIG% --qmldir %SOURCE_ROOT%\app\gui --no-opengl-sw --no-compiler-runtime %BUILD_FOLDER%\app\%BUILD_CONFIG%\Moonlight.exe
 if !ERRORLEVEL! NEQ 0 goto Error
@@ -162,4 +166,4 @@ exit /b 0
 
 :Error
 echo Build failed!
-exit /b !ERRORLEVEL!
+exit /b !ERRORLEVEL!