feat: Automatic creation of model card for FARM reader models

[adithya-ms]

Related Issues

• fixes #issue-number

Proposed Changes:

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[julian-risch]

Closing this PR because of inactivity. We will keep the issue open (with low priority) so that we can potentially pick it up at a later point in time: https://github.com/deepset-ai/haystack/issues/2823