Post to Slack (#603)

* Migrations

* WIP: Integration model, slack perms / hooks

* So so rough it pains me. Building this new model is revealing just how much needs to be refactored

* Working connect and post

* Cleanup UI, upating documents

* Show when slack command is connected

* stash

* 💚

* Add documents.update trigger

* Authorization, tidying

* Fixed integration policy

* pick integration presenter keys

app/models/Document.js

@@ -168,7 +168,7 @@ class Document extends BaseModel {
   };
 
   @action
-  save = async (publish: boolean = false) => {
+  save = async (publish: boolean = false, done: boolean = false) => {
     if (this.isSaving) return this;
     this.isSaving = true;
 
@@ -181,6 +181,7 @@ class Document extends BaseModel {
           text: this.text,
           lastRevision: this.revision,
           publish,
+          done,
         });
       } else {
         const data = {
@@ -189,6 +190,7 @@ class Document extends BaseModel {
           title: this.title,
           text: this.text,
           publish,
+          done,
         };
         if (this.parentDocument) {
           data.parentDocument = this.parentDocument;