Rewrite and consolidate configuration docs (#1581)

* Rewrite and consolidate configuration docs

* add link to filtering

* updates based on comments

* update lockfile

* update redirect

* spelling mistake

* update the noqa

* update links

* fix broken links

* lint fixes

* address comments

* update wording about model selection

* update cache_seed and json pattern

* add periods

* Update the config json func and other small changes

* update wording of json string

* update intro

* update description of caching

* fix link

* spelling mistake

* fix llm config

* Update website/docs/llm_configuration.ipynb

Co-authored-by: gagb <gagb@users.noreply.github.com>

* Add examples back as notebook

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Co-authored-by: gagb <gagb@users.noreply.github.com>
Co-authored-by: Aaron <aaronlaptop12@hotmail.com>