Add: 0.37.1

Add: 0.37.0

New

    frpc add subcommand verify to validate configures before running.
    frpc support includes option to split multiple proxy configs into different files.
    Support sudp in dashboard.

Fix

    Use empty string as default value for dashboard user and password.
    login_fail_exit is not valid when protocol = kcp.

Signed-off-by: snowdream <[email protected]>