COR-2001: P10 boilerplate code

[drsk0]

Changes

Added boilerplate code for P10.

Checklist

• My code follows the style of this project.
• The code compiles without warnings.
• I have performed a self-review of the changes.
• I have documented my code, in particular the intent of the
  hard-to-understand areas.
• (If necessary) I have updated the CHANGELOG.

CLA acceptance

_Remove if not applicable.

By submitting the contribution I accept the terms and conditions of the
Contributor License Agreement v1.0

• link: https://developers.concordium.com/CLAs/Contributor-License-Agreement-v1.0.pdf

• I accept the above linked CLA.

[drsk0]

Extension of generic tests is tracked in https://linear.app/concordium/issue/COR-2016/extend-generic-tests-for-serialization-etc-for-p10.