Improve style with various formatting

[codecov[bot]]

Codecov Report

Base: 93.33% // Head: 93.30% // Decreases project coverage by -0.02% :warning:

Coverage data is based on head (648d3a9) compared to base (0e4503d). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #148 +/- ## ========================================== - Coverage 93.33% 93.30% -0.03% ========================================== Files 12 12 Lines 705 702 -3 ========================================== - Hits 658 655 -3 Misses 47 47 ``` | [Impacted Files](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev) | Coverage Δ | | |---|---|---| | [src/constrained\_variables.jl](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL2NvbnN0cmFpbmVkX3ZhcmlhYmxlcy5qbA==) | `100.00% <ø> (ø)` | | | [src/dual\_equality\_constraints.jl](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL2R1YWxfZXF1YWxpdHlfY29uc3RyYWludHMuamw=) | `91.03% <ø> (ø)` | | | [src/dual\_names.jl](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL2R1YWxfbmFtZXMuamw=) | `75.00% <ø> (ø)` | | | [src/objective\_coefficients.jl](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL29iamVjdGl2ZV9jb2VmZmljaWVudHMuamw=) | `98.07% <ø> (ø)` | | | [src/structures.jl](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL3N0cnVjdHVyZXMuamw=) | `100.00% <ø> (ø)` | | | [src/supported.jl](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL3N1cHBvcnRlZC5qbA==) | `85.00% <ø> (ø)` | | | [src/MOI\_wrapper.jl](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL01PSV93cmFwcGVyLmps) | `92.65% <100.00%> (+0.12%)` | :arrow_up: | | [src/dual\_model\_variables.jl](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL2R1YWxfbW9kZWxfdmFyaWFibGVzLmps) | `86.27% <100.00%> (ø)` | | | [src/dual\_sets.jl](https://codecov.io/gh/jump-dev/Dualization.jl/pull/148/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev#diff-c3JjL2R1YWxfc2V0cy5qbA==) | `100.00% <100.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=jump-dev)

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