object_store: builder configuration api (#3436)

* feat: draf configuration api for azure

* feat: add configuration for aws and gcp

* fix: clippy

* feat: allow passing typed config keys

* refactor: implement try_from for config keys

* chore: PR feedback

* refactor: make options api fallible

* fix: docs errors

* chore: remove helpers

* test: test sas key splitting and un-nit nits