chore: create .codecov.yml and move ignored directories there

[mojomex]

PR Type

• Improvement

Related Links

Improves this PR:

• chore: exclude build and example folders from coverage #199

Description

Create a .codecov.yml file as recommended in CodeCov's documentation and move the excluded directory settings there. This allows for more flexibility and hopefully once and for all excluded nebula_examples from coverage too.

Pre-Review Checklist for the PR Author

PR Author should check the checkboxes below when creating the PR.

• Assign PR to reviewer

Checklist for the PR Reviewer

Reviewers should check the checkboxes below before approval.

• Commits are properly organized and messages are according to the guideline
• (Optional) Unit tests have been written for new behavior
• PR title describes the changes

Post-Review Checklist for the PR Author

PR Author should check the checkboxes below before merging.

• All open points are addressed and tracked via issues or tickets

CI Checks

• Build and test for PR: Required to pass before the merge.

[mojomex]

CI config is valid, merging.

[mojomex]

It worked, nebula_examples is now gone:

CodeCov report