chore(config)!: rename loading functions

[codecov[bot]]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (adac154) 50.00% compared to head (b0ec9a0) 50.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #27 +/- ## ======================================= Coverage 50.00% 50.00% ======================================= Files 3 3 Lines 100 100 ======================================= Hits 50 50 Misses 50 50 ``` | [Files](https://app.codecov.io/gh/o-p-n/serveit/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=o-p-n) | Coverage Δ | | |---|---|---| | [src/config.rs](https://app.codecov.io/gh/o-p-n/serveit/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=o-p-n#diff-c3JjL2NvbmZpZy5ycw==) | `100.00% <100.00%> (ø)` | | | [src/main.rs](https://app.codecov.io/gh/o-p-n/serveit/pull/27?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=o-p-n#diff-c3JjL21haW4ucnM=) | `0.00% <0.00%> (ø)` | |

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