CC BY-NC 3.0 licensed effects only include this usermod only if you accept the terms! Therefore not enabled in platformio.ini builds.
Usermods API v2 example usermod
In this usermod file you can find the documentation on how to take advantage of the new version 2 usermods!
Installation
Copy usermod_v2_fastled.h to the wled00 directory.
Uncomment the corresponding lines in usermods_list.cpp and compile!
(You shouldn't need to actually install this, it does nothing useful)