add nix env
add nix env

bestwpw/libsoundio,shaunstanislaus/libsoundio,WilliamRen/libsoundio,weizhiwu/libsoundio,tmatth/libsoundio,weizhiwu/libsoundio,tmatth/libsoundio,davidgranstrom/libsoundio,andrewrk/libsoundio,tresf/libsoundio,bestwpw/libsoundio,adrian-stepien/libsoundio,adrian-stepien/libsoundio,shaunstanislaus/libsoundio,davidgranstrom/libsoundio,gityf/libsoundio,WilliamRen/libsoundio,island-org/libsoundio,andrewrk/libsoundio,vanloswang/libsoundio,vanloswang/libsoundio,island-org/libsoundio,tresf/libsoundio,gityf/libsoundio