emit aggregate room beacon liveness (#2241)
* emit aggregate room beacon liveness
Signed-off-by: Kerry Archibald <kerrya@element.io>
* tidy and comment
Signed-off-by: Kerry Archibald <kerrya@element.io>
* add export for models/beacon
Signed-off-by: Kerry Archibald <kerrya@element.io>
* add owner and roomId
Signed-off-by: Kerry Archibald <kerrya@element.io>
* copyright
Signed-off-by: Kerry Archibald <kerrya@element.io>