feat: added meilisearch dependency and fixt index creation

[qasimgulzar]

Added django_meili into discovery to push data to meilisearch. below is a exmaple of command to push data

./manage.py syncindex course_metadata.ProgramProxy

Settings

################### Studio Search (beta), using Meilisearch ###################
MEILISEARCH_ENABLED = False
if MEILISEARCH_ENABLED:
    MEILISEARCH = {
        'HTTPS': False,  # Whether HTTPS is enabled for the meilisearch server
        'HOST': 'meilisearch',  # The host for the meilisearch server
        'MASTER_KEY': 'masterKey',
        # The master key for meilisearch. See https://www.meilisearch.com/docs/learn/security/basic_security for more detail
        'PORT': 7700,  # The port for the meilisearch server
        'TIMEOUT': None,  # The timeout to wait for when using sync meilisearch server
        'CLIENT_AGENTS': None,  # The client agents for the meilisearch server
        'DEBUG': DEBUG,  # Whether to throw exceptions on failed creation of documents
        'SYNC': False,
        # Whether to execute operations to meilisearch in a synchronous manner (waiting for each rather than letting the task queue operate)
        'OFFLINE': False,  # Whether to make any http requests for the application.
    }