Fixes

• 🐛 Fix import of get_terminal_size for Click 8.1.0 support and upgrade Black to fix CI. PR #380 by @tiangolo based on original PR #375 by @madkinsz.

Internal

• 📝 Add Jina's QA Bot to the docs to help people that want to ask quick questions. PR #368 by @tiangolo.
• 💚 Only test on push when on master, avoid duplicate CI runs from PRs. PR #358 by @tiangolo.
• ✨ Add support for previewing docs in PRs from forks and enable MkDocs Insiders. PR #357 by @tiangolo.
• ⬆️ Upgrade MkDocs Material, MDX-Include, and MkDocs structure. PR #356 by @tiangolo.
• 👷 Update publish GitHub action. PR #325 by @tiangolo.