890-feat: Contentful: move course pages to contentful (#903)

* feat: 890 - implement to render sections from contenful

* chore: 890 - exclude contenful types files from eslint config

* refactor: 890 - change component and transform functions mapping logic

* fix: 890 - error message typo

* refactor: 890 - to prepare data from contentful beforehand

* feat: 890 - implement to render links in rich text

* feat: 890 - implement to render about course section

* feat: 890 - implement to render certification section

* feat: 890 - implement to render communication section

* chore: 890 - update types

* feat: implement to render pages dynamically

* feat: implement to use slug as url

* refactor: merge similar entities into one media text block

* fix: 890 - to fetch a course page with a specific locale

* feat: 890 - add more contentful sections

* feat: update media text block to be more generic

* fix: trainers language issue

* refactor: remove old course pages

* chore: remove unnecessary data

* chore: update types

* refactor: rearrange code

* chore: fix types

* refactor: move related modules to their folders

* chore: correct metadata types

* fix: typescript errors

* fix: eslint error

* refactor: optimize async calls

* chore: resolve merge conflicts

* refactor: move section type to const object

* feat: implement to fetch course page title

* refactor: get rid of get course title helper

Author: Quiddlee

dev-data/about-course.data.tsx

@@ -1,5 +1,3 @@
-import { Course } from '@/widgets/required/types';
-
 export const COURSE_TITLES = {
   JS_PRESCHOOL_RU: 'JS / Front-end Pre-school RU',
   JS_EN: 'JS / Front-end EN',
@@ -13,15 +11,8 @@ export const COURSE_TITLES = {
   AWS_AI: 'AWS AI',
 } as const;
 
-export const AWS_FUNDAMENTALS_BADGE = `${COURSE_TITLES.AWS_FUNDAMENTALS} badge` as const;
-export type AwsFundamentalsBadge = typeof AWS_FUNDAMENTALS_BADGE;
 export type CourseNames = typeof COURSE_TITLES;
 export type CourseNamesKeys = CourseNames[keyof CourseNames];
-export type CoursesWithRequirementsNames = Exclude<CourseNamesKeys, CourseNames['REACT']>;
-export type CourseMap = {
-  [courseName in CoursesWithRequirementsNames]: Course;
-};
-export type TrainingProgramType = CourseNamesKeys | AwsFundamentalsBadge;
 
 export const DISCORD_LINKS = {
   [COURSE_TITLES.JS_PRESCHOOL_RU]: 'https://discord.com/invite/gFnRh8Sudg',