Automatically determine Profile and store profiles in metadata

According to https://docstore.entsoe.eu/Documents/CIM_documents/Grid_Model_CIM/CGMES_v2.4.14_FileHeaderGuidelines_v1.0.0.pdf the profile of an xml is contained in the key <md:Model.profile>.

One to many URN/URI describing the profiles that governs this model. It uniquely identifies the profiles and its version.

For the IEC standardized Profiles, this should be something like:

• http://iec.ch/TC57/61970-453/DiagramLayout/2
• But there seem to exist other profiles (probably pre-IEC Standard).
  • http://entsoe.eu/CIM/EquipmentCore/3/1

However, I think it is feasible to automatically determine the profile from that xml key.

• Check the IEC standard if this is still valid
• Get all the profile strings supported by cimpy (I think it is only the IEC ones)|
• Write a function which matches the profile
  • either define a set of supported strings (e.g. IEC) or match if the string contains e.g. Equipment and not Topology
• Store the profile in the cimpy metadata
• Remove the profile list requirement from generate_xml and cim_export (maybe make it optional)
• Profit