Update readme (codex-team#2762)

* Update readme

* Update README.md

---------

Co-authored-by: Peter <[email protected]>

Author: TatianaFomina

README.md

@@ -116,14 +116,17 @@ Take a look at the [example.html](example/example.html) to view more detailed ex
 
 <img align="right" width="342" src="./assets/roadmap.png" style="margin-left: 30px">
 
-- Unified Toolbox
+- Unified Toolbars
   - [x] Block Tunes moved left
   - [x] Toolbox becomes vertical
   - [x] Ability to display several Toolbox buttons by the single Tool
   - [x] Block Tunes become vertical
-  - [ ] Block Tunes support nested menus
-  - [ ] Conversion Toolbar uses Unified Toolbox
-  - [ ] Conversion Toolbar added to the Block Tunes
+  - [x] Block Tunes support nested menus
+  - [x] Block Tunes support separators 
+  - [x] Conversion Menu added to the Block Tunes
+  - [x] Unified Toolbar supports hints 
+  - [x] Conversion Toolbar uses Unified Toolbar
+  - [x] Inline Toolbar uses Unified Toolbar
 - Collaborative editing
   - [ ] Implement Inline Tools JSON format
   - [ ] Operations Observer, Executor, Manager, Transformer