Users can choose between DSLogic and vanilla Sigrok (=access to sigrok decoders/tools)
If you merge your changes back to upstream (#5), you may even consider concentrating on the hardware/FPGA development side and leave the main software development to sigrok
The easiest way to achieve sigrok support is probably to contact the sigrok devs at https://lists.sourceforge.net/lists/listinfo/sigrok-devel (Mailing list) or irc://chat.freenode.net/sigrok (IRC) and donate them a free device to play with.
I'd recommend to contact the sigrok devs and try to make DSLogic compatible with vanilla sigrok.
Advantages:
The easiest way to achieve sigrok support is probably to contact the sigrok devs at https://lists.sourceforge.net/lists/listinfo/sigrok-devel (Mailing list) or irc://chat.freenode.net/sigrok (IRC) and donate them a free device to play with.