fix(docs-infra): do not focus h1 from docs-top-level-banner
Do not focus heading from docs-top-level-banner.
Move the `Skip to main content` button to the top of DOM tree.
PR Close#57698
docs(docs-infra): add top level banner component
- create top level banner component
- write unit tests
- close banner and keep state in the local storage
- fix: support screens of tablets and phones
PR Close#57458
