Implement Config deserialization to config file

[THenry14]

Problem

Issue originated from this discussion #1434 (comment)

Let's implement a way to read Config from a file, similar to what cargo has https://doc.rust-lang.org/cargo/reference/config.html. In this file we should be able to set things like registry-url, that will be project-wide.

Proposed Solution

No response

Notes

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