fix(table): stories, items and mobile style

[samuel-gomez]

Related issue

Reference to the issue

fix #918

• group stories in Table directory

• add style for mobile

• fix border-radius for long number
  

Person(s) for reviewing proposed changes

You can add @mention here

Important

Before creating a pull request run unit tests

$ npm test

# watch for changes
$ npm test -- --watch

# For a specific file (e.g., in packages/context/__tests__/command.test.js)
$ npm test -- --watch packages/action