Facebook is the latest technology company that wants to connect you with a handyman who can install a ceiling fan or fix a leaky toilet, following Amazon.com , Google and a slew of startups seeking ways to make money from the $300 billion home-improvement market. The social networking site is joining with Seattle startup Pro.com , which will help a Facebook Messenger user find a qualified contractor, get an instant quote and schedule an appointment within minutes on home projects from mounting a big- screen television to painting a room.