[WIP] Renaming processings, easier re-running of assignment & proccessings to manage addition/update of matrix to an existing aem file

[Art-Ev]

Renaming processings to handle menus order & add datetime to assignment result name for easier re-running without editing yaml config file

[r-akemii]

@Art-Ev by the way, do you have any sample files you're using to test the provider to send me?

[Art-Ev]

@Art-Ev by the way, do you have any sample files you're using to test the provider to send me?

Not yet, it's one shots every time... But we have somebody with whom we'll be working on this over the summer: a full model creation and running using only qgis processes from the provider with precalculated results to validate future updates and future new functions. Goal is to have one QGIS modeler that we can juste run with one button and check that most functions work as expected.