Cardi B (Photo by Xavier Collin/Image Press Agency/Depositphotos) *Grammy-winning rapper Cardi B is giving her 8-year-old daughter, Kulture, an early introduction to the family business — and says the youngster could eventually inherit her Grow-Good Beauty company. Kulture stars in a new back-to-school-themed campaign for the hair-care brand’s Get Rich Hydrating Hair Mask. In the commercial, she appears in pajamas with her hair in rollers while …