docs: update badges

[ReenigneArcher]

Description

• Add a GHCR badge using https://github.com/ipitio/ghcr-pulls
• Add a Flathub badge
• Change AUR badge to display version number instead of vote count
• Update alternate for badge images

Screenshot

Issues Fixed or Closed

Type of Change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Dependency update (updates to dependencies)
• [x] Documentation update (changes to documentation)
• [ ] Repository update (changes to repository files, e.g. .github/...)

Checklist

• [x] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

Branch Updates

LizardByte requires that branches be up-to-date before merging. This means that after any PR is merged, this branch must be updated before it can be merged. You must also Allow edits from maintainers.

• [ ] I want maintainers to keep my branch updated

[codecov[bot]]

Codecov Report

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

Project coverage is 8.97%. Comparing base (fb18b38) to head (0ed146e).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2716 +/- ## ====================================== Coverage 8.97% 8.97% ====================================== Files 94 94 Lines 17389 17389 Branches 8267 8267 ====================================== Hits 1560 1560 Misses 12969 12969 Partials 2860 2860 ``` | [Flag](https://app.codecov.io/gh/LizardByte/Sunshine/pull/2716/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LizardByte) | Coverage Δ | | |---|---|---| | [Linux](https://app.codecov.io/gh/LizardByte/Sunshine/pull/2716/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LizardByte) | `6.79% <ø> (ø)` | | | [Windows](https://app.codecov.io/gh/LizardByte/Sunshine/pull/2716/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LizardByte) | `4.16% <ø> (ø)` | | | [macOS-12](https://app.codecov.io/gh/LizardByte/Sunshine/pull/2716/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LizardByte) | `10.04% <ø> (ø)` | | | [macOS-13](https://app.codecov.io/gh/LizardByte/Sunshine/pull/2716/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LizardByte) | `9.95% <ø> (-0.02%)` | :arrow_down: | | [macOS-14](https://app.codecov.io/gh/LizardByte/Sunshine/pull/2716/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=LizardByte) | `10.25% <ø> (ø)` | | 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=LizardByte#carryforward-flags-in-the-pull-request-comment) to find out more.