**Dependencies**
T347870
T344508
**Goal: **
Add first formatters and connect theming popover!
**Requirements:**
[x] Add bold, italic, and bold italic button
[x] Add formatter inserts / deletions for bold, italic, and bold italic
[x] Add selection states for bold, italic, and bold italic
[x] Add syntax highlighting for bold, italic, and bold italic.
[x] Add formatters for double tap on text.
[x] Provides support for theming popover font size slider and theme change
[x] Provides support for syntax highlighting toggle
[x] Fix any cursor jumping
[x] Confirm RTL works
**Ticket UI focus**
| Text formatting submenu|Double tap, Syntax highlighting | Reading controls popover
| {F41744979} |{F41744996} | {F41744944}
== Notes for QA ==
Please test reading controls popover support (theme selection, syntax highlighting toggle, font size slider) and bold/italics syntax highlighting and buttons in native editor.