#3259 Clean some parts of the code of iterators and const missing.

[gautierbureau]

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• unit tests and non-regression tests were added (new model, new feature and bug fix)
• main documentation was updated (update of input/output file, 3rd party, model, repository organization, solver)
• example documentations were updated (new example in examples folder)
• the corresponding milestone was added in the ticket and in this PR
• if this PR modifies the parameters or inputs/outputs of a model/solver: the corresponding xsl was added in util/xsl and platform DB were updated
• if this PR modifies a dictionary: the corresponding french dictionary was updated