add CLI for testing search queries

[kdutia]

Description

Enables dynamic summaries. Unfortunately it seems like these replace text block text for now, rather than augment it. The Vespa documentation hints at how to get summaries into another field but I haven't figured it out yet.

Adds a CLI for testing search queries. Also adds a src/cpr_sdk/cli dir and an optional cli dependency group (as to not bloat deployments).

python -m src.cpr_sdk.cli.run_search_query gives you a CLI where you can type text search queries until you're bored. Note the below screenshot is with dynamic summaries which are now disabled.

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[linear]

PODS-1698 enable dynamic summaries

[jesse-c]

LGTM

rich and typer seem like nicer versions of other packages I'd default to, so it's nice to learn about them.

[linear]

PODS-1698 enable dynamic summaries