feat: TET-854 add header component

[karolinaszarek]

What did you implement?

Added Header component

Checklist:

• [x] I exported my component in src/index.ts file.
• [x] I described colors, spacing, typography, and similar attributes with Figma Tokens and they are placed in the config object in the *.styles file
• [x] I tested the component (including custom prop)
• [x] I've written a storybook story for the component