* initial validator attesthead rewrite based on proposer rewrite
* proceed with fetching committees and tree hashing the canonical head at assigned attester slot
* complete filling the properties of attestation data and all associated root hashes
* add when to attest todo
* finish entire attester client logic
* tests with mocks checked in
* tests passing in client
* stubbed out server implementation
* fixed build due to old property
* regen mocks with new mockgen version
* fixed broken tests
* complete bazel build fix
* address some review comments
* deep proto test
* tests passing after checking for empty committee and crosslink root
* address nishant comments
* tests passing once again in db package
* fixed all tests
* revert some weird p2p changes made accidentally
* fix repeated code
* build fixed
* fix p2p
* fix all tests
* /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
* refactor repo to use protos
* removed block successfully in types
* db package updated
* db, core passing
* chain service done
* no more block instances
* all pass
* deprecate all block protos
* tests pass
* WIP: Dummy db clean service
* [WIP. NOT READY FOR REVIEW] Add DB cleanup routine that cleans block vote cache
* Add missing bazel config
* Put DB clean behind a CLI flag
* Address review comments
* Fix error handling
