Use JuliaFormatter

[gdalle]

Fixes #388

This PR has no semantic impact on the code, the last commit is just massive because I formatted the whole repo.

The only meaningful additions are a JuliaFormatter style file and test.

[codecov]

Codecov Report

Attention: Patch coverage is 90.18303% with 59 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
src/rrules/array_legacy.jl	53.84%	12 Missing ⚠️
src/test_utils.jl	84.37%	10 Missing ⚠️
src/interpreter/s2s_reverse_mode_ad.jl	86.79%	7 Missing ⚠️
src/tangents.jl	90.16%	6 Missing ⚠️
src/rrules/blas.jl	93.93%	4 Missing ⚠️
src/interpreter/bbcode.jl	90.90%	3 Missing ⚠️
src/rrules/new.jl	57.14%	3 Missing ⚠️
src/interpreter/abstract_interpretation.jl	80.00%	2 Missing ⚠️
src/interpreter/ir_normalisation.jl	92.30%	2 Missing ⚠️
src/rrules/foreigncall.jl	66.66%	2 Missing ⚠️
... and 7 more

Files with missing lines	Coverage Δ
ext/MooncakeAllocCheckExt.jl	100.00% <100.00%> (ø)
ext/MooncakeLuxLibSLEEFPiratesExtension.jl	100.00% <100.00%> (ø)
src/Mooncake.jl	100.00% <ø> (ø)
src/codual.jl	94.11% <100.00%> (ø)
src/config.jl	100.00% <100.00%> (ø)
src/debug_mode.jl	100.00% <100.00%> (ø)
src/developer_tools.jl	100.00% <ø> (ø)
src/interface.jl	91.66% <100.00%> (ø)
src/interpreter/ir_utils.jl	87.50% <100.00%> (ø)
src/interpreter/zero_like_rdata.jl	100.00% <100.00%> (ø)
... and 28 more

---

🚨 Try these New Features:

• Flaky Tests Detection - Detect and resolve failed and flaky tests

[willtebbutt]

Thanks for doing this. I know there aren't going to be any semantic changes, but could we bump the patch anyway please?

[gdalle]

Done

[willtebbutt]

@gdalle if you're happy for this to get merged, please mark as ready for review, and I'll approve and merge.

[gdalle]

Let's do this. The codecov impact is inevitable because we modified the total number of lines and how they're distributed