Corrected calculus

[Lieunoir]

PR Description

Add Interpolated Corrected Calculus and Corrected FEM for Poisson problems into DEC package

Checklist

• [x ] Unit-test of your feature with Catch.
• [ x] Doxygen documentation of the code completed (classes, methods, types, members...)
• [ x] Documentation module page added or updated.
• [ x] New entry in the ChangeLog.md added.
• [ x] No warning raised in Debug mode.
• All continuous integration tests pass (Github Actions)

[JacquesOlivierLachaud]

/builddoc

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[dcoeurjo]

/builddoc

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[JacquesOlivierLachaud]

/builddoc

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