* /healthz part1
* lint, fix
* lints and todos
* add p2p status test
* Add test for service registry Statuses
* fix my fake errors for the linter
* Test healthz handler
* Run gazelle
* implementing basic proposer functionality
* checked in gomocks
* fix typo
* refactor using feeds
* use event feeds for assignment
* sending the latest beacon block over announcement chan
* 100 coverage, using feeds
* gazelle
* include parent hash from prev canonical block and slot number + 1
* including all other prop fields
* fix build
* proposer rpc method tests, implemented in beacon chain side
* godoc