Add formula to compute electric power

[pgrawehr]

Electric power is defined as P = U * I (Power
equals potential times current)

[codecov-commenter]

Codecov Report

Merging #805 into master will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #805      +/-   ##
==========================================
+ Coverage   80.51%   80.52%   +0.01%     
==========================================
  Files         280      280              
  Lines       41851    41873      +22     
==========================================
+ Hits        33696    33718      +22     
  Misses       8155     8155              

Impacted Files	Coverage Δ
...Net/CustomCode/Quantities/ElectricCurrent.extra.cs	100.00% <100.00%> (ø)
...t/CustomCode/Quantities/ElectricPotential.extra.cs	75.00% <100.00%> (+8.33%)	⬆️
UnitsNet/CustomCode/Quantities/Power.extra.cs	93.33% <100.00%> (+1.02%)	⬆️
UnitsNet/GeneratedCode/UnitConverter.g.cs	100.00% <0.00%> (ø)
...eratedCode/NumberToDynamicViscosityExtensions.g.cs	100.00% <0.00%> (ø)
...Net/GeneratedCode/Quantities/DynamicViscosity.g.cs	77.44% <0.00%> (+0.47%)	⬆️

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[angularsen]

Thanks for adding, just a few minor comments.

[angularsen]

Thanks a lot. Nuget is on the way.

Release UnitsNet/4.65.0 · angularsen/UnitsNet