add the replace kind of remake

POST /admin/remakes accepts specs with replace kind, e.g.:

  { "kind": "replace",
    "baseHeads": ["..."],
    "spec": {
      "document": { "accounts": { ... } },
      "rules": [
        { "from": "users",       "to": "accounts" },
        { "from": "users/admin", "drop": true },
        { "from": "",            "to": "" }
      ] } }

1 files changed, 1 insertions, 1 deletions

diff --git a/src/remake/mod.rs b/src/remake/mod.rs
index e31eadf..c1014d7 100644
--- a/src/remake/mod.rs
+++ b/src/remake/mod.rs
@@ -2,7 +2,7 @@
 //! Compaction is one: the new document has the old one's content without its history.
 //!
 //! * `kind`: what differs between kinds of remake (building the new document, and
-//!   where writes made after the base go); compaction is the only kind so far.
+//!   where writes made after the base go): `compact` and `replace`.
 //! * `snapshot`: deterministic build of the next epoch's initial document.
 //! * `records`: the replicated remake records under `_continuum/remakes/<id>`.
 //! * `coordinator`: proposal, settle period and decision on the node that was asked.