Recipe data parsing into activities

[GarzonDiegoFEUP]

Create activities from recipes, like here PDI-Berlin/pdi-nomad-plugin#9

[andreaa93]

@GarzonDiegoFEUP check this commit for a way to import the recipe into an activity:
PDI-Berlin/pdi-nomad-plugin@719f8a6

The merge_sections function is available already in nomad-mesurements but need some fix before it behaves like the one here. So for now if you need it, you can copy it over

[andreaa93]

FAIRmat-NFDI/nomad-measurements#143