* added avatar token component
* added avatar token component story
* added avatar token readme to story
* added avatar token readme to story
* added halo effect
* added test to avatar token component
* fixed alt name
* added test for blur
* added test for aria hidden element
* fixed fallback issue
* updated halo id in README
* added changes to avatar token stories
* updated stories and README in storybook
* fixed indentation in stories
* changed component name structure
* updated css for avatar halo image
* updated README for Avatar Base Component
* added className to avatar Token
* Updates to docs and styles
* fixed tests for Avatar Token
* added color to the props
* fixed table props issue
* updated avatar token Readme
* updated args in avatar token stories
Co-authored-by: georgewrmarshall <george.marshall@consensys.net>
