Changing UI for lab window

[s3944192]

• [ ] #38
• [x] #39

[S3882476]

a note about the mark down

https://stackoverflow.com/questions/65557500/how-to-make-a-textarea-take-markdown-properties-html https://uiwjs.github.io/react-md-editor/

[S3882476]

new UI update in branch

now process on textarea with markdown style