Set up matrix-hookshot to receive a notification about a new issue on the Matrix room

[luixxiul]

Is your feature request related to a problem? Please describe.
I think we could set up matrix-hookshot to receive a notification about a new issue (especially one tagged with question label) on the Matrix room, in order to notify the community of the question and get attention to it.

Describe the solution you'd like
See above.

Describe alternatives you've considered

Additional context
It will also make sure that the bridge's implementation by the playbook works as expected.