1.5-beta

Markdown support + UI for non-knowledge-base-answers (#82)

* markdown file handler, small refactorings, make the file delete immediately submit a request to the reconciler to delete the file

* "delete an empty data source with an empty global storage"

* "maybe ask to delete from docstore"

* fix deleting from doc store

* "markdown rendering"

* wip on markdown tables

* "now we're thinking with styled-components"

* "css styling of the markdown tables"

* update lock file

* use markdown for docling pdf, minor ui changes to source card

* readme updates

* wip on icon for no source nodes

* "now we're thinking with colors"

* "styling/coloration of the not-a-kb-response response"

* "now we're thinking with inference models"

* Set inference model when chatting with model directly

* it ain't round

* fill a little more of the "circle"

* it's still not a circle, but it's a little bigger

* mock the model api for the test

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Co-authored-by: Elijah Williams <[email protected]>
Co-authored-by: Michael Liu <[email protected]>