W9

Added support for w9 tax forms processing:

• process_w9_document_url
• process_w9_document

What's Changed

• Install deps in update-docs workflow by @hoanhan101 in #32
• Add sdk functions to extract w9 documents by @HassankSalim in #33

New Contributors

• @HassankSalim made their first contribution in #33

Full Changelog: 3.1.0...3.2.0