Automatically tag CLIP repos as zero-shot-image-classification
# What does this PR do?

This PR changes the mapping to map CLIP to zero-shot-image-classification in the Hub automatically. (internal [context](https://huggingface.slack.com/archives/C02EK7C3SHW/p1663315010068709))

_The documentation is not available anymore as the PR was closed or merged._<|||||>Merging as it's all green now! Thanks for the review! :hugs: 