* fix(message-buffer): address PR feedback from 779, update tests
Add new unit test for reading with cursor, update test setup
* refactor(message-buffer): refactor test methods, add big endian doc on MessageBuffer
* message_buffer: Add Dockerfile with caching
This dockerfile ensures as little cache invalidation as possible
through layer-caching and BuildKit cache mounts.
* dockerignowe -> dockerignore
* message_buffer/Dockerfile: Fix the final cached target move
* refactor(message-buffer): rename accumulator-input to message-buffer
refactor any names with accumulator to message
* refactor(message-buffer): change accumulator seed to message