Course templates api

[awais786]

In progress PR dont review.

This PR is about the course templates implementation.

A sample github repo contains the courses of different organizations.
https://github.com/awais786/courses

An API has been added to interact with the repository, allowing retrieval of courses based
on the organization.

API endpoint which hit the github repo and brings the course information.
http://localhost:18010/api/contentstore/v1/course_templates/edly/course-v1:edly+cs202+2024

[
{'courses_name': 'Course1', 'zip_url': 'https://raw.githubusercontent.com/awais786/courses/main/edx/Course1/course.tar.gz',
 'metadata': {'course_id': 'course-v1:edX+DemoX+T2024', 'title': 'Introduction to Open edX', 
'description': 'Learn the fundamentals of the Open edX platform, including how to create and manage courses.', 'thumbnail': 'https://discover.ilmx.org/wp-content/uploads/2024/04/course-card-banner.png',
 'active': True}},
 {'courses_name': 'Course2', 'zip_url': 'https://raw.githubusercontent.com/awais786/courses/main/edx/Course2/course.tar.gz', 
'metadata': {'course_id': 'course-v1:edX+DemoX+T2024', 'title': 'Introduction to Open edX', 
'description': 'Learn the fundamentals of the Open edX platform, including how to create and manage courses.', 'thumbnail': 'https://discover.ilmx.org/wp-content/uploads/2024/01/Course-image-2.webp', 
'active': True}}
]

Course detail page will show the course template menu.

---

All templates will be appear here

[awais786]

it will come from settings