.arcconfig

phases: use a Struct object for binary encoding and decoding

We will move the binary encoding and decoding code to 'phases.py' in order to
make it easier to reuse. First, let's cleanup it a bit.

{
    "conduit_uri": "https://phab.mercurial-scm.org/api",
    "repository.callsign": "HG",
    "arc.land.onto.default": "@",
    "base": "hg:.^"
}