Add more entries to Use in the wild

[zupo]

I'd like to have more projects linked under https://github.com/Pylons/pyramid_openapi3#use-in-the-wild.

Please let me know if I can list your project!

[zupo]

cc @MatthewWilkes @gweis @damonhook @mmerickel @stevepiercy @gjo @sevanteri @sjiekak @phrfpeixoto @sweh @Wim-De-Clercq @fredvd @daryllstrauss @miohtama @timgates42

[zupo]

cc @pepijn-motosumo @grinspins @karolpawlowski @bushkov @atronah @afreepenguin @ztane @mlandry8 @silenius @coler-j @BoomerB @potkae @andrewfree @simondale00 @huntcsg @iustitia @ghost @davisagli