Added datapackage metadata

[AyrtonB]

Adds a frictionless data metadata schema to describe the dataset. This enables automated integration into other systems such as the Power Station Dictionary project.

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Pull request type

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• Bugfix
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Adds a widely used metadata specification to describe the dataset

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this introduce a breaking change?

• Yes
• No

Other information