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

app/components/Sidebar/Main.js

@@ -1,7 +1,13 @@
 // @flow
 import * as React from 'react';
 import { observer, inject } from 'mobx-react';
-import { HomeIcon, EditIcon, SearchIcon, StarredIcon } from 'outline-icons';
+import {
+  ArchiveIcon,
+  HomeIcon,
+  EditIcon,
+  SearchIcon,
+  StarredIcon,
+} from 'outline-icons';
 
 import Flex from 'shared/components/Flex';
 import AccountMenu from 'menus/AccountMenu';
@@ -94,6 +100,17 @@ class MainSidebar extends React.Component<Props> {
             <Section>
               <Collections onCreateCollection={this.handleCreateCollection} />
             </Section>
+            <Section>
+              <SidebarLink
+                to="/archive"
+                icon={<ArchiveIcon />}
+                exact={false}
+                label="Archive"
+                active={
+                  documents.active ? documents.active.isArchived : undefined
+                }
+              />
+            </Section>
           </Scrollable>
         </Flex>
       </Sidebar>