Initial commit with progress towards 2.0 version

config/schema/gatsby_endpoints_test.entity_type.schema.yml

gatsby_endpoints.info.yml

gatsby_endpoints.links.action.yml

gatsby_endpoints.links.menu.yml

gatsby_endpoints.links.task.yml

gatsby_endpoints.module

gatsby_endpoints.permissions.yml

gatsby_endpoints.routing.yml

gatsby_endpoints.services.yml

src/Controller/ContentController.php

src/Controller/GatsbyEndpointController.php

src/Entity/GatsbyEndpoint.php

src/Entity/GatsbyEndpointType.php

src/Form/GatsbyEndpointForm.php

src/Form/GatsbyEndpointTypeForm.php

src/GatsbyEndpointAccessControlHandler.php

src/GatsbyEndpointGenerator.php

src/GatsbyEndpointInterface.php

src/GatsbyEndpointListBuilder.php

src/GatsbyEndpointManager.php