FSD: Widget Required

[Quiddlee]

📝 Describe the refactoring task

Part of the issue #347

📍 Code location

src/widgets/required

✅ Definition of Done (DoD):

required.module.scss

1. Refactor required.tsx's scss as following

• remove all parent selector & .card-content -> .card-content.
• change all possible values to variables if such exists.
• and everything in your opinion that needs to be refactored
• replace all element selectors by tag with class selector img -> .image

required.tsx

1. replace div's with HTML5 tags
2. replace interface with type
3. get rid of ternary operator inside return

required.test.tsx

1. move test file to ui folder
2. remove all comments

types.ts

1. rename required.types.ts to types.ts
2. move LinkList to shared/types.ts