feat: Improved table of contents (#1223)

* feat: New table of contents

* fix: Hide TOC in edit mode

* feat: Highlight follows scroll position

* scroll tracking

* UI

* fix: Unrelated css fix with long doc titles

* Improve responsiveness

* feat: Add keyboard shortcut access to TOC

* fix: Headings should reflect content correctly when viewing old document revision

* flow

* fix: Persist TOC choice between sessions

app/components/Editor/Editor.js

@@ -92,6 +92,7 @@ class Editor extends React.Component<Props> {
           onShowToast={this.onShowToast}
           getLinkComponent={this.getLinkComponent}
           tooltip={EditorTooltip}
+          toc={false}
           {...this.props}
         />
       </React.Fragment>