Added time parsing

Joel Grunbaum

2022-01-13 d2cfd3eeeb8b6af3b7ccda01e6c1ac581a2df398

 protocol.hpp

@@ -12,6 +12,7 @@

// Catchup utilities
std::unordered_map<std::string, book::Book> recoverBook();
void catchUp(std::unordered_map<std::string, book::Book>& bs);

// Outgoing messages
json::Message* addOrder(json::AddMessage& order);