Make Astra more visible in the driver docs

Description

Actions:

  1. Landing page: add a section about connecting to Astra (maybe after Compatibility section) pointing to the Astra dedicated page.

Environment

None
Fixed

Assignee

Unassigned

Reporter

Joao Reis

Labels

PM Priority

None

Fix versions

None

External issue ID

None

Doc Impact

None

Reviewer

None

Pull Request

None

Epic Link

None

Sprint

C# P-NEXT

Pull Requests

None

Size

None

Priority

Major
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