* 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
* server implementation logic
* attestation info tests
* completed passing tests, tree hash still blocked by error with nil fields unfortunately
* fix todo failure
* gazelle rerun and master merge
* testing full behavior of attestation info server
* finished all required server tests and implementation
* break loop
* fix tests due to genesis slot updates
* begin reorder
* move into beacon server
* add proposer server
* fix
* add proposer server
* wrap up rpc reorder
* eliminated deprecated RPC endpoints
* formatted nicely
* RPC protos
* fix lint
* integrate hash proto
* autoclean
* deprecate all old code
* include the rest of methods mocks
* bazel run
* lint fixes
