giant refactor: immutable services and impl traits
use 'impl Future' returns for trait contracts: prevents hidden requirments
refactor tower design around immutable services: easier to reason and use, more natural to use like this, makes it also more clear that user needs to handle state properly, prevents state keeping in service when not required and easier to integrate with other code bases in ecosystem (e.g. hyper)
just
Add justfile for easier developer experience (just qa to run them all).
giant refactor: immutable services and impl traits
just
Add justfile for easier developer experience (
just qato run them all).