Move Metabase® Enterprise Edition™ code to core repo (#13590)

.circleci/config.yml

.circleci/skip-driver-tests.sh

.eslintrc

.flowconfig

LICENSE-AGPL.txt

LICENSE-MCL.txt

LICENSE.txt

README.md

bin/aws-eb-docker/release-eb-version.sh

bin/build

bin/docker/build_image.sh

bin/i18n/update-translation-template

bin/release/release/uberjar.clj

bin/test-load-and-dump.sh

bin/verify-doc-links

bin/version

docs/enterprise-guide/authenticating-with-saml.md

enterprise/LICENSE.txt

enterprise/README.md

...se/backend/src/metabase_enterprise/audit/pages/common.clj