Add Anthropic and LlamaIndex notebooks (unitycatalog#653)

**PR Checklist**

- [X] A description of the changes is added to the description of this
PR.
- [ ] If there is a related issue, make sure it is linked to this PR.
- [ ] If you've fixed a bug or added code that should be tested, add
tests!
- [ ] If you've added or modified a feature, documentation in `docs` is
updated

**Description of changes**

This PR adds notebooks for the Anthropic and LlamaIndex ai integrations
for Unity Catalog tool calling.

Signed-off-by: Ben Wilson <[email protected]>