feat: create DRF endpoint to get course index context #21201

Job	Run time
python-3.8,django-pinned,lms-1	10m 22s
python-3.8,django-pinned,lms-2	9m 1s
python-3.8,django-pinned,lms-3	15m 53s
python-3.8,django-pinned,lms-4	18m 51s
python-3.8,django-pinned,lms-5	9m 17s
python-3.8,django-pinned,lms-6	15m 2s
python-3.8,django-pinned,openedx-1-with-lms	13m 5s
python-3.8,django-pinned,openedx-2-with-lms	14m 27s
python-3.8,django-pinned,openedx-1-with-cms	7m 31s
python-3.8,django-pinned,openedx-2-with-cms	4m 26s
python-3.8,django-pinned,cms-1	2m 52s
python-3.8,django-pinned,cms-2	15m 15s
python-3.8,django-pinned,common-with-lms	8m 55s
python-3.8,django-pinned,common-with-cms	4m 9s
python-3.8,django-pinned,xmodule-with-lms	5m 5s
python-3.8,django-pinned,xmodule-with-cms	5m 10s
python-3.8,django-4.2,lms-1	10m 46s
python-3.8,django-4.2,lms-2	11m 43s
python-3.8,django-4.2,lms-3	16m 2s
python-3.8,django-4.2,lms-4	19m 14s
python-3.8,django-4.2,lms-5	9m 20s
python-3.8,django-4.2,lms-6	15m 30s
python-3.8,django-4.2,openedx-1-with-lms	13m 12s
python-3.8,django-4.2,openedx-2-with-lms	14m 41s
python-3.8,django-4.2,openedx-1-with-cms	7m 44s
python-3.8,django-4.2,openedx-2-with-cms	4m 22s
python-3.8,django-4.2,cms-1	3m 0s
python-3.8,django-4.2,cms-2	15m 5s
python-3.8,django-4.2,common-with-lms	9m 9s
python-3.8,django-4.2,common-with-cms	4m 12s
python-3.8,django-4.2,xmodule-with-lms	5m 12s
python-3.8,django-4.2,xmodule-with-cms	5m 22s
compile-warnings-report	10s
Unit tests successful	4s
coverage (3.8)	1m 53s
	5h 26m 2s

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