KN4CK3R cdb088cec2 Add CRAN package registry (#22331) ...

This PR adds a [CRAN](https://cran.r-project.org/) package registry.

![grafik](https://user-images.githubusercontent.com/1666336/210450039-d6fa6f77-20cd-4741-89a8-1624def267f7.png)

2023-05-22 10:57:49 +08:00

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metadata_test.go

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metadata.go

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