[ENH]: Schema types (#5509)

## Description of changes

_Summarize the changes made by this PR._

- Improvements & Bug fixes
- Introduces a `Schema` type and provides builder for it so that users
can construct it intuitively
- Introduces config for various index types. Added type validation for
embedding function for vector index
- Introduces an `InternalSchema` type that gets inited from `Schema`
type. This type is serialized to a json and sent over the wire to the
FE. Also added deserialized method to convert from json to this type
  - Added 47 tests for various cases related to these types.
- New functionality
  - ...

## Test plan

_How are these changes tested?_
Plenty of unit-tests added
- [x] Tests pass locally with `pytest` for python, `yarn test` for js,
`cargo test` for rust

## Migration plan
None

## Observability plan
CI green

## Documentation Changes
Not yet

Author: sanketkedia

chromadb/api/client.py

@@ -79,13 +79,13 @@ def __init__(
             user_provided_tenant=tenant,
             user_provided_database=database,
         )
-        
+
         # this should not happen unless types are invalidated
         if maybe_tenant is None and tenant is None:
             raise ChromaAuthError("Could not determine a tenant from the current authentication method. Please provide a tenant.")
         if maybe_database is None and database is None:
             raise ChromaAuthError("Could not determine a database name from the current authentication method. Please provide a database name.")
-        
+
         if maybe_tenant:
             self.tenant = maybe_tenant
         if maybe_database: