Storybook/sergeyro/expand loader

[SergeyRoyt]

Loader-component functionality extended:

• Fixed sizes variants
• Fixed color variants
• Fixed visual variants

Storybook updated:

• Fixed sizes variants
• Fixed color variants
• Fixed visual variants
• Usage tips
• Do's and don'ts
• Use cases and examples
• Related components

Corresponding snapshots are written

Basic

• Used plop (npm run plop) to create a new component.
• PR has description.
• New component is functional and uses Hooks.
• Component defines PropTypes.

Style

• Styles are added to NewComponent.modules.scss file inside of the NewComponent folder.
• Component uses CSS Modules.
• Design is compatible with Monday Design System.

Storybook

• Stories were added to /src/NewComponent/__stories__/NewComponent.stories.js file.
• Stories include all flows of using the component.

Tests

• Tests are compliant with TESTING_README.md instructions.