Sausalito-based Breakaway Funding introduced its crowdfunding service Monday with four Bay Area companies seeking debt financing. Founder and Chairman Kim Kaselionis sees the new service as a means of raising capital from wealthy investors to finance Main Street businesses that don't qualify for bank financing, at least not yet. As the former CEO of Circle Bank, now part of Umpqua Bank, Kaselionis envisions Breakaway's successful clients will eventually be able to secure traditional bank financing. Startups…