Function create_group_ex

pub(crate) async fn create_group_ex(
    context: &Context,
    sync: Sync,
    grpid: String,
    name: &str,
) -> Result<ChatId>

Creates a group chat.

• sync - Whether a multi-device synchronization message should be sent. Ignored for unencrypted chats currently.
• grpid - Group ID. Iff nonempty, the chat is encrypted (with key-contacts).
• name - Chat name.