Update Text Editor to support all flavored markdown code

### Do you want to request a *feature* or report a *bug*?
Feature

#### Feature Request
Update the Text Editor (https://teradata.github.io/covalent/v3/#/components/text-editor/overview ) to support all _flavored_ markdown code:

- Flavored MD tables
- Buttons
- YT videos
- Checkboxes
- Lists
- Inline code
- Snippets
