[feature]ws_sendframe_txt_bcast_except(ws_cli_conn_t client, const char *msg);

[habi498]

Is your feature request related to a problem? Please describe.
On some occasions, it would be useful to send messages to every other client other than a particular one.

Describe the solution you'd like
A simple function to send messages (txt and binary if possible) to all clients except one.

Describe alternatives you've considered
Storing each client in some vector and then later popping it out.

Additional context
Or provide a function to loop through each client. i know ws_cli_conn_t is an integer. so i can compare.