Add gggrid recipe (CRAN package)

[GiulioCentorame]

Recipe built using the conda R skeleton helper

Checklist

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[github-actions]

Hi! This is the staged-recipes linter and your PR looks excellent! 🚀

[conda-forge-admin]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipes/r-gggrid/meta.yaml) and found it was in an excellent condition.
I do have some suggestions for making it better though...

For recipes/r-gggrid/meta.yaml:

• License is not an SPDX identifier (or a custom LicenseRef) nor an SPDX license expression.

Documentation on acceptable licenses can be found here.

[conda-forge-admin]

Hi! This is the friendly automated conda-forge-linting service.

I just wanted to let you know that I linted all conda-recipes in your PR (recipes/r-gggrid/meta.yaml) and found it was in an excellent condition.

[GiulioCentorame]

@conda-forge/help-r I am not sure what is going on with the Win64 build, it seems like an issue with msys2-conda-epoch, would you please be able to help?

[dbast]

Ignoring the win failures, as its a noarch: generic package so the builds will happen on linux only after the feedstock conversion.