Fix buildrs dll build

[hulto]

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

• Automatically builds the reflective loader when eldritch builds.
• Allow users to compile imix as a DLL
• Enforce successful cargo fmt during testing
• Formats code
• TODO: Enforce cargo clippy during testing.

Which issue(s) this PR fixes:

[Cictrone]

i think in the future PRs like this need to be broken up by thing its solving a bit more. theres like 3 different "goals" of the PR which kind of tethers them all together for merge/harder to review.