Add documentation and env vars

Codecov Report

Patch coverage: 66.66% and project coverage change: -5.24% :warning:

Comparison is base (61dfd00) 96.60% compared to head (2644d50) 91.36%.

:exclamation: Current head 2644d50 differs from pull request most recent head e49a8e7. Consider uploading reports for the commit e49a8e7 to get more accurate results

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #11 +/- ## ========================================== - Coverage 96.60% 91.36% -5.24% ========================================== Files 21 21 Lines 412 417 +5 ========================================== - Hits 398 381 -17 - Misses 14 36 +22 ``` | [Files Changed](https://app.codecov.io/gh/ConsorciAOC-PRJ/decidim-module-trusted-ids/pull/11?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None) | Coverage Δ | | |---|---|---| | [lib/decidim/trusted\_ids.rb](https://app.codecov.io/gh/ConsorciAOC-PRJ/decidim-module-trusted-ids/pull/11?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None#diff-bGliL2RlY2lkaW0vdHJ1c3RlZF9pZHMucmI=) | `93.75% <66.66%> (-6.25%)` | :arrow_down: | ... and [2 files with indirect coverage changes](https://app.codecov.io/gh/ConsorciAOC-PRJ/decidim-module-trusted-ids/pull/11/indirect-changes?src=pr&el=tree-more&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=None)

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ConsorciAOC-PRJ / decidim-module-trusted-ids

Add documentation and env vars #11

Codecov Report