Update energy-final.yaml

change description of variable Final Energy|Electricity|Heat which was ambiguous (seemed to only include electric heating while it in reality also includes production of industrial heat for industrial processes) + add variable Final Energy|Electricity|Heating which only comprises the electricity used for electric heating of buildings (incl residential, commercial, industrial.....)

definitions/variable/energy/energy-final.yaml

@@ -520,7 +520,13 @@
     sector: all
     unit: [EJ/yr, GWh]
 - Final Energy|Electricity|Heat:
-    description: Final electricity consumption for heating,
+    description: Final electricity consumption for production of heat (including industrial heat and electric heating),
+    energy_source: electricity
+    energy_use: industry and heating
+    sector: all
+    unit: [EJ/yr, GWh]
+- Final Energy|Electricity|Heating:
+    description: Final electricity consumption forelectric heating),
     energy_source: electricity
     energy_use: heating
     sector: all