LGBTQ also sounds like a good solution since it's the most common acronym for the community.
LGBTQIA is the most inclusive one I know, but it might seem a bit excessive.
I changed changed LGBQA with LGBTQIA in the readme. Please let us know if you find anything else that needs to be changed. You can always issue a PR as well.
Context: https://github.com/gobridge/organizing
Leaving transexuals is wrong.
LGBTQ also sounds like a good solution since it's the most common acronym for the community. LGBTQIA is the most inclusive one I know, but it might seem a bit excessive.