* Require a new flag for enabling dynamic resources matching for "tsh db configure create"
* rename flag to --dynamic-resources-labels
* make naming more consistent
* Add a new db engine
* Add tests for new engine
* Update tsh db subcommands
* Refactor error message and suggestions for unsupported tsh commands
* Add dynamodb to test plan
* Add AWS external ID to db config and update protos
* Add Azure auto-discovery configuration fields
* Init databases if azure matchers are in config
* Use AzureMatchers in db service
* Use all azure subscriptions/resource groups if omitted in matcher
* Add azure config tests
* Add config create flags for azure matchers
* Add config create tests for azure
* Move discovery flags for azure below aws
* Fixup merge