Document the "script" arg for build.py.
Document the "script" arg for build.py.

validator/validator,takenspc/validator,YOTOV-LIMITED/validator,YOTOV-LIMITED/validator,sammuelyee/validator,tripu/validator,tripu/validator,validator/validator,sammuelyee/validator,validator/validator,tripu/validator,sammuelyee/validator,validator/validator,YOTOV-LIMITED/validator,takenspc/validator,sammuelyee/validator,YOTOV-LIMITED/validator,takenspc/validator,YOTOV-LIMITED/validator,sammuelyee/validator,tripu/validator,takenspc/validator,tripu/validator,validator/validator,takenspc/validator