Update and add queries for external coupling of emissions

[mabijkerk]

This PR adds a number of queries to couple external models that use CO2 flows:

• For electricity production, for electricity production from waste and for hydrogen production the following queries are available
  • Biogenic emitted
  • Biogenic captured
  • Biogenic total
  • Fossil emitted
  • Fossil captured
  • Fossil total
  • Total captured