Update maintainer list

[skip ci]

libs/maintainers.txt

@@ -152,6 +152,7 @@ vmd                   Edward Diener <eld -at- tropicsoft.com>
 wave                  Hartmut Kaiser <hartmut.kaiser -at- gmail.com>
 winapi                Andrey Semashev <andrey.semashev -at- gmail.com>
 xpressive             Eric Niebler <eric -at- boostpro.com>
+yap                   Zach Laine <whatwasthataddress -at- gmail.com>