* Add Avian Traits perk, allowing characters to sound like birds
* Ensure only one racial speech quirk is taken to prevent weirdness
* Add racial trait definitions for canine & avians, plus species helper macros
* Remove duplicate trait & tidy up defines
* Proper overload
Co-authored-by: Bloop <13398309+vinylspiders@users.noreply.github.com>
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Co-authored-by: Bloop <13398309+vinylspiders@users.noreply.github.com>