Resolve "Mattermost packages: Update to meet standards"

chart/templates/NOTES.txt

chart/templates/mattermost-operator/gitrepository.yaml

chart/templates/mattermost-operator/helmrelease.yaml

chart/templates/mattermost-operator/imagepullsecret.yaml

chart/templates/mattermost-operator/namespace.yaml

chart/templates/mattermost-operator/values.yaml

chart/templates/mattermost/gitrepository.yaml

chart/templates/mattermost/helmrelease.yaml

chart/templates/mattermost/imagepullsecret.yaml

chart/templates/mattermost/namespace.yaml

chart/templates/mattermost/secret-ca.yaml

chart/templates/mattermost/secret-database.yaml

chart/templates/mattermost/secret-objectstore.yaml

chart/templates/mattermost/values.yaml

chart/values.yaml

chart/values2.0.yaml

docs/assets/configs/example/git-repo-values.yaml

docs/assets/scripts/airgap-dev/values.yaml

docs/guides/using-bigbang/image-pull-policy.md

tests/test-values.yaml