Ability to login to directus using access token of a configured provider.

Summary Access token of the provider can be generated by using third party libraries and can the auth can be maintained by it. Through this new feature, we can exchange access token of the provider to the access token of directus and create a session to consume the resources in directus. Basic Example A router.post method in preferably, the post method should take access_token in the body. Motivation Directus has the ability to configure multiple auth providers to login. As of now, the only way to login into directus without seeing the directus login page is to use the seamless SSO approach mentioned in the docs: Unfortunately, there is no option for a machine to machine way of making the user logging in. There could be scenarios such as the user is logged in with keycloak already, now they want to login to directus using the access token generated by keycloak. Detailed Design lorem ipsum Requirements List Must Have: • Ability to authenticate on directus sdk wit…