Setup static type checker in CI

[benoit-dubreuil]

Description

Setup mypy CI.

To do

• [x] Add mypy to the static analysis workflow as a static type checker
• [x] Create a basic configuration file for mypy

References

• mypy
• mypy doc
• Type hints cheat sheet (Python 3)

Dependencies

• Depends on #19
• Depends on #32

[github-actions[bot]]

This PR/issue depends on:

• benoit-dubreuil/inm5803-ete2022#19
• benoit-dubreuil/inm5803-ete2022#32 By Dependent Issues (🤖). Happy coding!

[github-actions[bot]]

Branch qa/issue-34/setup-static-type-checker-in-ci created for issue #34.