transformers

1c31b7aa - [Docs] Add missing language options and fix broken links (#28852)

[Docs] Add missing language options and fix broken links (#28852) * Add missing entries to the language selector * Add links to the Colab and AWS Studio notebooks for ONNX * Use anchor links in CONTRIBUTING.md * Fix broken hyperlinks due to spaces * Fix links to OpenAI research articles * Remove confusing footnote symbols from author names, as they are also considered invalid markup