feat(sb): improve design system

.storybook/main.ts

.storybook/preview.ts

.storybook/public/favicon.svg

.storybook/public/sb-header.png

.storybook/theme.ts

src/app/shared/components/button/button.mdx

...pp/shared/components/color-block/color-block.component.ts

src/app/shared/components/color-block/color-block.stories.ts

src/app/shared/components/color-block/colors.mdx

src/app/shared/components/scrollbar/Scrollbar.mdx

src/stories/Introduction.mdx

src/stories/Layout.mdx

src/styles.scss