* feat: Add separate constants in theme for modal sizes and paddings
* feat: Implement dynamic sizing and padding for Modal
* feat: use dynamic modal feature for csv import
* fix: Remove redundant props from spreadsheet-import
* fix: use theme.spacing() instead
* fix: place types to Modal.tsx, convert ternary to switch-case, give default value
* fix: give px to modal sizes
* enhance: add color style to modal
* feat: add modal to storybook
