implement /v1/markets/status/ endpoint + integration testing pipeline - #2

View this Pull Request on Codecov

The author of this PR, MarketDataDev03, is not an activated member of this organization on Codecov.
Please activate this user on Codecov to display a detailed status check.
Coverage data is still being uploaded to Codecov.io for purposes of overall coverage calculations.
Please don't hesitate to email us at support@codecov.io with any questions.