chore: Add funding link

[edgarrmondragon]

Summary

Test Plan

Checklist

• [ ] My pull request has a descriptive title.
• [ ] I have read the CONTRIBUTING guide.
• [ ] I have added tests that prove my fix is effective or that my feature works.
• [ ] If appropriate, I have added necessary documentation.
• [ ] For user-facing changes, refactorings, performance improvements or documentation updates, I have added a changelog entry using Changie.

For both the title of the PR and the changelog entry, prefer simple past tense or constructions with "now". For example:

• Added Client.invite_participants()
• Client.user_activation_settings() now accepts a user_activation_settings keyword argument

---

📚 Documentation preview 📚: https://citric--1178.org.readthedocs.build/en/1178/

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

[codecov[bot]]

Codecov Report

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

Project coverage is 100.00%. Comparing base (7121dac) to head (7553a72). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #1178 +/- ## ========================================= Coverage 100.00% 100.00% ========================================= Files 10 10 Lines 482 482 Branches 25 25 ========================================= Hits 482 482 ``` | [Flag](https://app.codecov.io/gh/edgarrmondragon/citric/pull/1178/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Edgar+Ram%C3%ADrez+Mondrag%C3%B3n) | Coverage Δ | | |---|---|---| | [integration](https://app.codecov.io/gh/edgarrmondragon/citric/pull/1178/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Edgar+Ram%C3%ADrez+Mondrag%C3%B3n) | `91.28% <ø> (ø)` | | | [unit](https://app.codecov.io/gh/edgarrmondragon/citric/pull/1178/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Edgar+Ram%C3%ADrez+Mondrag%C3%B3n) | `93.77% <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=Edgar+Ram%C3%ADrez+Mondrag%C3%B3n#carryforward-flags-in-the-pull-request-comment) to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.