Documentation Update and Badge Fix in README and Index

[nathanramoscfa]

Overview

This pull request introduces a small yet significant set of updates focusing on documentation improvements and badge link corrections.

Changes

• Badge Fix in README: Corrected the pytest badge link in README.md to point to the updated tests.yml workflow.
• Configuration Update in conf.py: Enhanced conf.py with additional configuration settings to improve documentation generation.
• Badge Update in Index: Updated the pytest badge link in docs/source/index.rst to reflect the latest workflow changes.

[codecov[bot]]

Codecov Report

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

Comparison is base (230d739) 97.18% compared to head (6a7e133) 97.18%. Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2 +/- ## ======================================= Coverage 97.18% 97.18% ======================================= Files 2 2 Lines 532 532 Branches 41 41 ======================================= Hits 517 517 Misses 6 6 Partials 9 9 ``` | [Flag](https://app.codecov.io/gh/nathanramoscfa/pycgapi/pull/2/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Nathan+Ramos%2C+CFA%C2%AE) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/nathanramoscfa/pycgapi/pull/2/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Nathan+Ramos%2C+CFA%C2%AE) | `97.18% <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=Nathan+Ramos%2C+CFA%C2%AE#carryforward-flags-in-the-pull-request-comment) to find out more.

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