Monorepo for Tangled

appview,knotmirror: use knotmirror to read the repository master

Underlying types except the interface hasn't changed much. Removed `xrpcclient.HandleXrpcErr()` call as appview always expect knotmirror with compatible API. Signed-off-by: Seongmin Lee <git@boltless.me>


Author Seongmin Lee Committer Tangled Date Commit 35ceae65 Parent 72c1b45b Change ID tnomqkts