Add `capitalizeFirstLetter`, `hasAtLeastOneKeyInObject`, and `snakeToCamelCase`

[favna]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 98.14815% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 57.31%. Comparing base (0e5c61c) to head (b581008).

Files	Patch %	Lines
scripts/aliases/utilities.cts	0.00%	1 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #747 +/- ## ========================================== + Coverage 57.19% 57.31% +0.12% ========================================== Files 228 231 +3 Lines 18188 18242 +54 Branches 813 815 +2 ========================================== + Hits 10403 10456 +53 - Misses 7780 7781 +1 Partials 5 5 ``` | [Flag](https://app.codecov.io/gh/sapphiredev/utilities/pull/747/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/747/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev) | `57.31% <98.14%> (+0.12%)` | :arrow_up: | | [19](https://app.codecov.io/gh/sapphiredev/utilities/pull/747/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev) | `57.31% <98.14%> (+0.12%)` | :arrow_up: | | [20](https://app.codecov.io/gh/sapphiredev/utilities/pull/747/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev) | `57.31% <98.14%> (+0.12%)` | :arrow_up: | | [21](https://app.codecov.io/gh/sapphiredev/utilities/pull/747/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=sapphiredev) | `57.31% <98.14%> (+0.12%)` | :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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