Bojagi compatability changes

[tchock]

Button

• as together with Link is not working
• Needs default values for text-decoration
• Support endIcon and switch icon prop to startIcon
• Adjust button sizes

Modal

• Modal custom max width and multiple different default max widths

Tooltip

• Tooltip use Portal and calculate position (optional: use react-popper)

Tabs

• Tabs has jumping height when switching selected Tab
• as prop of Tab is not working -> no Link tabs possible
• Tab not exposed in index.ts

Typography

• Add typography related styled-system options (e.g. text-align) (optional)

Theme

• support setting custom colors (e.g. secondary colors) (optional)

IconButton

• Support setting background and icon color in the component itself (optional)

General

• Use React.forwardRef for every component
• Move styleHelpers to top folder (currently in utils folder) (optional)
• Add missing spacings (maybe drop small scale spacings 2px and 6px) => maybe go back to multiplier? (optional)