**Goal: **
Add more text style formatting functions to NativeEditor toolbar
**Dependencies**
T347870
T344508
T347925
**Requirements: **
[x] Add references
[x] Add strikethrough
[x] Add underline
[x] Add subscript
[x] Add superscript
[x] Add comments
[x] Add button selection states
[x] Add buttons to text style modal
[x] Add formatter inserts / deletions
[x] Add syntax highlighting for styles.
[x] Confirm RTL support
**Mocks**
[[ https://www.figma.com/file/Q3IuxFXtAxomEAh613TfDY/Native-text-editor-iOS?type=design&node-id=273-3241&mode=design&t=vFR6dpGbKaA7xL7a-0 | Figma ]]
**Testing notes**
Please test reference, strikethrough, underline, subscript, superscript, and comment syntax highlighting on native editor. Also test button functionality for all of these.
**Engineering note**
Old prototype work here should be in app > `native-editor-prototype` branch