docs: update checklist in README.md

[MarkoSagadin]

Description

I have updated the checklist in the project template.

I hope that is better than the previous one.

Additionally, the documentation for the CodeChecker server (it is linked), was updated. It should be clearer now what needs to be done.

Areas of interest for the reviewer

Changes.

After-review steps

• I will merge PR by myself.

[style guidelines]: https://github.com/IRNAS/irnas-guidelines-docs/blob/main/docs/developer_guidelines.md

[MarkoSagadin]

• #23
• #22 👈
• #21
• #20
• main

This stack of pull requests is managed by Graphite. Learn more about stacking.

Join @MarkoSagadin and the rest of your teammates on Graphite

[MarkoSagadin]

Merge activity

• Mar 28, 10:53 AM EDT: @MarkoSagadin started a stack merge that includes this pull request via Graphite.
• Mar 28, 10:58 AM EDT: Graphite rebased this pull request as part of a merge.
• Mar 28, 10:59 AM EDT: @MarkoSagadin merged this pull request with Graphite.