Merge pull request #369 from react95-io/beta

fix(radio): remove 'menu' variant

BREAKING CHANGE: remove 'menu' variant of Radio component

fix(checkbox): remove 'menu' variant

Remove 'menu' variant, as this should be a part of MenuList component

BREAKING CHANGE: Removal of 'menu' Checkbox variant

style(textinput.stories): fix typo in file name

feat(button): add 'raised' button

fix(slider): fix thumb not draggable

fix #357

fix(hourglass): accept style prop

refactor(select): improve keyboard and events, split native to Select…

…Native

BREAKING CHANGE: Select props changed significantly, native is now the SelectNative component

refactor(common): move SwitchBase to common folder

feat(storybook): Reimplement "Themes" add on with React95 style

This also upgrades many dependencies, removes storybook-addon-styled-component-theme and configures babel in preparation for Storybook v7.