Add support for fetching modules from private Git repositories

[Excoriate]

🌟 Feature Description

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For example: "I'd love for the module xyz to support the xyz command."

🚀 What's the Benefit?

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For example: "This feature would speed up the infrastructure setup process by provisioning multiple resources in one command."

🛠️ Proposed Solution

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💡 Possible Alternatives

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🗺️ Example Scenario

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📚 Any Relevant Documentation?

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🌞 Anything else you would like to add?

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