Add GetNodeVersionInfo API

[sideninja]

Description

Add the API for GetNodeVersionInfo which will return node information, as this API is available on the access nodes:
https://github.com/onflow/flow-go/blob/1d581d472b7dcc40cd8952da497422c910ebd99b/access/api.go#L18

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For contributor use:

• Targeted PR against master branch
• Linked to Github issue with discussion and accepted design OR link to spec that describes this work.
• Code follows the standards mentioned here.
• Updated relevant documentation
• Re-reviewed Files changed in the Github PR explorer
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