Defines ServiceExecutor interface of the executor that handles service
request bodies and returns service response bodies. Adds Service
implementation that writes the result of ServiceExecutor to response body
and attaches the internal ResponseMetaHeader.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Adds accounting Service implementation that verifiers request signatures and
signs responses from internal Service.
Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
Adding more detailed instructions on how to make contributions according to our
development workflow.
Missing targets like `lint` and `test` will be added to `Makefile` later.
Signed-off-by: Stanislav Bogatyrev <stanislav@nspcc.ru>
