What does this PR do?

Adds a new community piece for Circle.so, enabling automation of community management tasks.

Explain How the Feature Works

This piece connects to the Circle.so Admin API to provide triggers and actions for posts, comments, and members. Users authenticate with an API token. Key functionalities include creating posts/comments, adding members to spaces, finding members, and getting post/member details. Triggers monitor new posts, comments, and members.

Relevant User Scenarios

• Automate onboarding by adding new members to specific Circle.so spaces.
• Share new Circle.so posts to social media or internal notification systems.
• Sync member data between Circle.so and other CRM/dashboard tools.

Fixes #7860 /claim #7860