feat: add textarea UI component

[ElenaPodv]

Description

Textarea is used on form page to allow users to express their feelings and designed to be responsive across a range of devices, including desktops, tablets, and mobile screens.

Checklist

Before submitting this pull request, please ensure the following:

• [x] I've validated my HTML with Nu Html Checker, and it outputs no errors
• [x] I've checked my HTML with HTML Tree Generator, and it outputs no errors
• I've ensured that the layout matches the mockup for the following control points:
  • [x] 1200px
  • [x] 660px
  • [x] 320px

[MarPostovik]

@ElenaPodv You did an excellent job laying out the textarea UI element! I have left a few suggestions and comments for improvements. Please request another code review once you have addressed my comments. Feel free to reach out if you have any questions or doubts.