rhg: Expose FilelogEntry that wraps RevlogEntry This can be later extended to access metadata such as `uncompressed_len` without necessarily resolving deltas. Differential Revision: https://phab.mercurial-scm.org/D11961

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