feat: Events / audit log (#1008)

* feat: Record events in DB

* feat: events API

* First pass, hacky activity feed

* WIP

* Reset dashboard

* feat: audit log UI
feat: store ip address

* chore: Document events.list api

* fix: command specs

* await event create

* fix: backlinks service

* tidy

* fix: Hide audit log menu item if not admin

server/presenters/index.js

@@ -2,6 +2,7 @@
 import presentUser from './user';
 import presentView from './view';
 import presentDocument from './document';
+import presentEvent from './event';
 import presentRevision from './revision';
 import presentCollection from './collection';
 import presentApiKey from './apiKey';
@@ -15,6 +16,7 @@ export {
   presentUser,
   presentView,
   presentDocument,
+  presentEvent,
   presentRevision,
   presentCollection,
   presentApiKey,