Create additional asynchronous samples for Vue

[mabryl]

Currently, we only offer samples for Angular and React that showcase how to integrate the asynchronous Track changes and Revision history with these frameworks.

Similar samples for Vue could also be prapared.

[f1ames]

With the current release of updated collaboration samples, we have brand new RTC and non-RTC Vue samples:

• https://github.com/ckeditor/ckeditor5-collaboration-samples/tree/master/real-time-collaboration-for-vue
• https://github.com/ckeditor/ckeditor5-collaboration-samples/tree/master/collaboration-for-vue