Facebook Inc. is hosting Community Boost events around the United States as part of its effort to teach digital skills to small businesses. It's going to take on a different flavor in Buffalo. After organizing the event with Buffalo-based 43North and M&T Bank, Facebook will bring a $1 million pitch competition for small businesses in Western New York, with 27 winners snagging grants that will range from $25,000 to $100,000. Winners will also receive a subsequent 12 months of personalized mentorship…