feat: add signed ints

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 62.40%. Comparing base (7c2bed2) to head (fee5661).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #778 +/- ## ========================================== + Coverage 61.71% 62.40% +0.69% ========================================== Files 297 306 +9 Lines 8312 8465 +153 Branches 917 1534 +617 ========================================== + Hits 5130 5283 +153 Misses 3177 3177 Partials 5 5 ``` | [Flag](https://app.codecov.io/gh/sapphiredev/utilities/pull/778/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev) | Coverage Δ | | |---|---|---| | [18](https://app.codecov.io/gh/sapphiredev/utilities/pull/778/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev) | `62.40% <100.00%> (+0.69%)` | :arrow_up: | | [19](https://app.codecov.io/gh/sapphiredev/utilities/pull/778/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev) | `62.40% <100.00%> (+0.69%)` | :arrow_up: | | [20](https://app.codecov.io/gh/sapphiredev/utilities/pull/778/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev) | `62.40% <100.00%> (+0.69%)` | :arrow_up: | | [21](https://app.codecov.io/gh/sapphiredev/utilities/pull/778/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev) | `62.40% <100.00%> (+0.69%)` | :arrow_up: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev#carryforward-flags-in-the-pull-request-comment) to find out more.

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