GitLab

* feat(notifications): build notifications architecture

build an architecture via which we can pass on notifications

* feat(peerresponsesender): add notifications

pass notifications on from peer response sender based on message queue notifications

* feat(responsemanager): handle network errors

Pass on network errors through the response manager, pass block sent errors as well

* fix(notifications): send unique notifications by peer

* feat(responsemanager): subscriber per request

* Revert "fix(notifications): send unique notifications by peer"

This reverts commit 7bf368a05d14229b7523cb25068681d9c7e48246.