[vcf-midatlantic] Signup for the March 3/4 workshop

Looks like we will have another good turnout for the next workshop March 3/4. Signup up here if you are interested: <https://docs.google.com/spreadsheets/d/123vqgOH6iteYwHwLiANXmdSUvZOTE MTArZRvSk2RR3Q/edit?usp=sharing>