Added LICENSE file.
Added LICENSE file.

Per https://github.com/validator/validator/issues/3

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