def register(self, command: str, handler: Any):
if not command.startswith("<STR_LIT:/>"):<EOL><INDENT>command = f"<STR_LIT>"<EOL><DEDENT>LOG.info("<STR_LIT>", command, handler)<EOL>self._routes[command].append(handler)<EOL>
Register a new handler for a specific slash command

Args:
    command: Slash command
    handler: Callback