weechat-activity-bar - Update the AnyBar colour when there is activity in a WeeChat buffer

Age	Commit message (Collapse)	Author
2023-12-10	activity_bar.pl: Prevent adding the hook more than once	Teddy Wing
	The `enable` subcommand should be a no-op if the hook is already enabled.
2023-12-09	activity_bar.pl: Add `enable` and `disable` commands	Teddy Wing
	Add new commands that enable and disable the print hook. We can use these commands in terminal focus handlers, to turn on activity monitoring when WeeChat is not focused, and turn it off once it is focused.
2023-12-09	activity_bar.pl: Add `/activity_bar clear` command	Teddy Wing
	Command to clear the activity notification colour from AnyBar and turn it hollow.
2023-12-09	activity_bar.pl: Update the AnyBar colour when messages are received	Teddy Wing

2023-12-09	activity_bar.pl: Get notified of activity in buffers	Teddy Wing
	Register a `hook_print` to get notified of activity in buffers. This prints the message to the WeeChat core buffer.