Added a couple steps to how-to in CONTRIBUTING.md.
Added a couple steps to how-to in CONTRIBUTING.md.

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