feat: add cli command and query methods

[Alec4r]

Description

This PR adds the model needed to manage the report with the openedx instance data that will be sent to Openedx API, in accordance with the queries sent to the community to gathering impact data on Open edX Instances and the methods to get the data from django models.

How to test

With a nutmeg environment you should run the command python manage.py lms generate_report, if you don't get a error you can see the report values using the python shell:

from openedx.features.survey_report.models import SurveyReport
SurveyReport.objects.all().values()

"""
<QuerySet [{'id': 1, 'courses_offered': 0, 'learners': 0, 'registered_learners': 2, 'enrollments': 0, 'generated_certificates': 0, 'extra_data': {}, 'request_details': None, 'created_at': datetime.datetime(2022, 10, 27, 12, 45, 1, 268473, tzinfo=<UTC>), 'sent_at': None}]>
"""