adds a Node implementation of a "multi provider" which can orchestrate evaluating from multiple other providers while appearing as a single provider from the perspective of the OpenFeature SDK.
The test failure is unreleased to this change and caused by a brittle test and upgrades to the web sdk. We'll fix the test failures in a follow up PR. Thanks, @ajwootto, for this great contribution! 🥳
This PR
Notes
Follow-up Tasks
How to test
npx nx test providers-multi-provider