Add OpenFBX

[jeongseok-meta]

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[conda-forge-webservices[bot]]

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/OpenFBX) and found it was in an excellent condition.

[jeongseok-meta]

@conda-forge/help-c-cpp, ready for review!

[jeongseok-meta]

@xhochy Thanks for merging this PR!