Feat/autofocus

[ChrisUser]

Description

Add the autofocus control to the component with the autoFocus boolean prop. Proposed in #14.

Type of change

• New feature (non-breaking change which adds functionality)
• This change requires a documentation update

Checklist:

• I'm sure that this PR is not a duplicate
• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings