FSD: Widget School-menu

[Quiddlee]

📝 Describe the refactoring task

Part of the issue #347

📍 Code location

src/widgets/school-menu

✅ Definition of Done (DoD):

school-menu.module.scss

1. Refactor school-menu.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

school-menu.tsx

1. replace div's with HTML5 tags
2. replace interface with type
3. move getMenuItem to school-menu/helpers
4. replace template string in className with classnames
5. move school-menu component and all related pieces to school-menu/ui/school-menu

school-item.tsx

1. replace interface with type
2. replace ternary operator in className with classnames
3. place all the object property checks in constants
4. extract styles from school-item's scss and create separate scss file for school-item component

school-list.tsx

1. replace all the interfaces with types
2. replace complex className constant with classnames
3. extract styles from school-item's scss and create separate scss file for school-list component

school-list.test.tsx

1. replace all the links with constants

constants.ts

1. move constants to constants.ts
2. move all the anchor links to the shared ANCHORS constant