Document Archive (#921)

* WIP: Archive

* WIP

* Finishing up archive endpoints

* WIP

* Update docs

* Flow

* Stash

* Add toast message confirmations

* Redirect handling, fixed publishhing info for archived docs

* Redirect to collection instead of home, remove unused pub info

* Account for deleted parent

* Trash -> Archive
Allow reading of archived docs

* Dont overload deletedAt

* Fixes

* 💚

* ParentDocumentId wipe for unarchived sub docs

* Fix: CMD+S exits editing
Fix: Duplicate user name on published but unedited docs

* Improve jank on paginated lists

* Prevent editing when archived

* 💚
Separate lint / flow steps

server/migrations/20190404035736-add-archive.js

@@ -0,0 +1,11 @@
+module.exports = {
+  up: async (queryInterface, Sequelize) => {
+    await queryInterface.addColumn('documents', 'archivedAt', {
+      type: Sequelize.DATE,
+      allowNull: true
+    });
+  },
+  down: async (queryInterface, Sequelize) => {
+    await queryInterface.removeColumn('documents', 'archivedAt');
+  }
+}