Join a public channel by username
Examples
if (FALSE) { # \dontrun{
client <- TelegramClient$new("my_session", api_id = 123, api_hash = "abc")
client$connect()
join_public_channel(client, "channelname")
} # }
Join a public channel by username
if (FALSE) { # \dontrun{
client <- TelegramClient$new("my_session", api_id = 123, api_hash = "abc")
client$connect()
join_public_channel(client, "channelname")
} # }