Add helios emulator

Author: DerekTurtleRoe

README.md

@@ -1807,6 +1807,7 @@ _Disclaimer: These tools are listed for preservation of games that are either no
 | [GameEx](https://www.gameex.info/)                                            | :x:                | Proprietary                                 | :x:                | :heavy_check_mark: | :heavy_minus_sign: | :heavy_check_mark:  |                              |
 | [GameHub](https://tkashkin.github.io/projects/gamehub/)                       | :heavy_check_mark: | GNU GPLv3                                   | :x:                | :x:                | :heavy_minus_sign: | :heavy_check_mark:  |                              |
 | [GameRoom](https://github.com/GameRoomPC/GameRoom)                            | :heavy_minus_sign: | Creative Commons BY-NC-SA 4.0 International | :x:                | :x:                | :x:                | :heavy_minus_sign:  |                              |
+| [Helios](https://github.com/fedex81/helios)                                   | :heavy_check_mark: | GNU GPLv3                                   | :x:                | :heavy_check_mark: | :heavy_minus_sign: | :heavy_check_mark:  | :computer: :penguin:         |
 | [HyperSpin](https://hyperspin-fe.com/)                                        | :x:                | Proprietary                                 | :x:                | :heavy_minus_sign: | :heavy_minus_sign: | :heavy_check_mark:  |                              |
 | [iGame](https://github.com/MrZammler/iGame)                                   | :heavy_check_mark: | GNU GPLv3                                   | :x:                | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark:  | Commodore Amiga              |
 | [LaunchBox](https://www.launchbox-app.com/)                                   | :x:                | Proprietary                                 | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark: | :heavy_check_mark:  |                              |