dev-guide.md

Add new client to server command

1. Declare a new input command type in command/CommandType.java

2. Add a new class inside clientserver/command/clienttoserver package by extending the command/ExecutableCommand.java class

   1. Declare all the fields corresponding to json in the class
   2. Implement the execute method.

   See clientserver/command/clienttoserver/NewIdentityC2SCommand.java for an example.

3. Add a new case in clientserver/command/clienttoserver/C2SCommandFactory.java