Add new options to get sticker ID and to send stickers

[infinity-plus]

No description provided.

[abadroot]

IMHO handling stickers is beyond the scope of a shell script like this.

[infinity-plus]

IMHO handling stickers is beyond the scope of a shell script like this.

Sending stickers between two messages, as the post separator is a commonly used method.
I personally use it to separate two posts clearly.
Though use cases are infinite there is no hurt in adding it.