Dem test and function full contact

[marineharel]

Description

Function for dem contact tests which returns an output of time, force, torque, overlap, tangential overlap, velocities and angular velocities for the full duration of the contact between two particles.

Testing

Function used in dem test particle_particle_full_contact

Checklist (will be removed when merged)

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Code related list:

• All in-code documentation related to this PR is up to date (Doxygen format)
• Copyright headers are present and up to date
• Lethe documentation is up to date
• The branch is rebased onto master
• Code is indented with indent-all and .prm files (examples and tests) with prm-indent
• If parameters are modified, the tests and the documentation of examples are up to date
• Changelog (CHANGELOG.md) is up to date if the refactor affects the user experience or the codebase

Pull request related list:

• No other PR is open related to this
• Labels are applied
• There are at least 2 reviewers (or 1 if small feature) excluding the responsible for the merge
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• If any future works is planned, an issue is opened
• The PR description is cleaned and ready for merge

[oguevremont]

Really nice PR! Some minor comments only

[blaisb]

Some very few comments. Very good work @marineharel

[OGaboriault]

Good, just minor things/ questions :)