Initialized Capital, the early-stage venture firm that got its start inside of Y Combinator almost a decade ago and spun out of the organization roughly five years later, has closed its newest fund, with $230 million in capital commitments, co-founder Garry Tan announced on Medium earlier today. The fund, its fifth, brings the assets that the San Francisco firm is managing to $770 million. Tan also announced that Initialized has a new general partner in Brett Gibson, with whom Tan has partnered with time and again in the past. Gibson…