pkg environments moved from pkg

environments/environment.go

environments/errors.go

environments/events.go

environments/middleware/access_logging_middleware.go

environments/middleware/caching_middleware.go

environments/middleware/caching_middleware_test.go

environments/middleware/error_logging_middleware.go

environments/middleware/logging_middleware.go

environments/middleware/middleware.go

environments/middleware/recovering_middleware.go

environments/middleware/telemetry_middleware.go

environments/mocks/EnvironmentConfigurationObserver.go

environments/mocks/EnvironmentCreatedObserver.go

environments/mocks/EnvironmentDeletedObserver.go

environments/mocks/EnvironmentMigratedObserver.go

environments/mocks/EnvironmentObserver.go

environments/mocks/EnvironmentUpdatedObserver.go

environments/mocks/Environments.go

environments/mocks/Middleware.go

environments/mocks/Storage.go