feat: add evaluate langchain chains notebook #7

Annotations

9 warnings

`CLOUDSQL` is ignored by check spelling because another more general variant is also in expect. (ignored-expect-variant)

`Codey` is ignored by check spelling because another more general variant is also in expect. (ignored-expect-variant)

`Dataform` is ignored by check spelling because another more general variant is also in expect. (ignored-expect-variant)

`Eventarc` is ignored by check spelling because another more general variant is also in expect. (ignored-expect-variant)

`Firestore` is ignored by check spelling because another more general variant is also in expect. (ignored-expect-variant)

`Pixmap` is ignored by check spelling because another more general variant is also in expect. (ignored-expect-variant)

`postgres` is ignored by check spelling because another more general variant is also in expect. (ignored-expect-variant)

`SEO` is ignored by check spelling because another more general variant is also in expect. (ignored-expect-variant)

`Tensorflow` is ignored by check spelling because another more general variant is also in expect. (ignored-expect-variant)