Build a full stack app that is functionally similar to this: https://timestamp-ms.herokuapp.com/.
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User Story: I can pass a string as a parameter, and it will check to see whether that string contains either a unix timestamp or a natural language date (example: January 1, 2016).
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User Story: If it does, it returns both the Unix timestamp and the natural language form of that date.
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User Story: If it does not contain a date or Unix timestamp, it returns null for those properties.