DOC-2228: Updates new bundling with js feature, additional copy edits to bundling with es6 vite documentation.

[kemister85]

Ticket: DOC-2228

Changes:

• Updates new bundling with js feature, additional copy edits to bundling with es6 vite documentation.
• add new js imports such as ./plugins/a11ychecker/css/annotations_css.js to various .adoc files.
• update message for bundling-plugins-that-cant-bundle.adoc
• remove premium plugin reference in vite bundling editor.js example code snippet to avoid user confusion.

Pre-checks:

• Branch prefixed with feature/6/ or hotfix/6/
• Changelog entry added
• modules/ROOT/nav.adoc has been updated (if applicable)
• Files has been included where required (if applicable)
• Files removed have been deleted, not just excluded from the build (if applicable)
• (New product features only) Release Note added

Review:

• Documentation Team Lead has reviewed

[kemister85]

@spocke @hamza0867 - ive opened this PR early as it requires your assistance to ensure we are accurate with the incoming changes.

• verify the correct ./plugins/<plugin-name>/<file-name>_css.js
• we need to verify that the new JS Example 2 added is correct.

[ShiridiGandham]

LGTM