feature: Integrate Astra as vectorDBProvider (#648)

* feature: Integrate Astra as vectorDBProvider

feature: Integrate Astra as vectorDBProvider

* Update .env.example

* Add env.example to docker example file
Update spellcheck fo Astra
Update Astra key for vector selection
Update order of AstraDB options
Resize Astra logo image to 330x330
Update methods of Astra to take in latest vectorDB params like TopN and more
Update Astra interface to support default methods and avoid crash errors from 404 collections
Update Astra interface to comply to max chunk insertion limitations
Update Astra interface to dynamically set dimensionality from chunk 0 size on creation

* reset workspaces

---------

Co-authored-by: timothycarambat <rambat1010@gmail.com>