Displaying TS code examples in the docs

[sequba]

Context

This pull request creates the UI that displays the typescript code examples in the docs and add the ability to switch between JS and TS versions.

In the code tab, there will be a dropdown with the available versions of the example (JS and TS in most cases). The source code preview area will display the selected version of the code.

How has this been tested?

To be provided

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature or improvement (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Additional language file or change to the existing one (translations)

Related issue(s):

1. https://github.com/handsontable/dev-handsontable/issues/1905

Affected project(s):

• handsontable
• @handsontable/angular
• @handsontable/react
• @handsontable/vue
• @handsontable/vue3

Checklist:

• I have reviewed the guidelines about Contributing to Handsontable and I confirm that my code follows the code style of this project.
• I have signed the Contributor License Agreement
• My change requires a change to the documentation.

[github-actions]

Launch the local version of documentation by running:

npm run docs:review f312564d1330726a9a05c978e10ad02bcaad8b46