Create internal marketplace connection

Creates a new internal connection for marketplace integrations. Internal connections are used for system-level integrations and automated workflows.

**Key Features:**
- Automatic configuration for internal services
- System-level authentication handling
- Pre-configured integration points
- Automated token management

**Use Cases:**
- Workflow automation integrations
- System-to-system communication
- Internal service connections
- Automated data synchronization.
Language
Credentials
Bearer
JWT
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