Add prefixes for electron volt

[0xF6]

1keV = 1 000                eV
1MeV = 1 000 000            eV
1GeV = 1 000 000 000        eV
1TeV = 1 000 000 000 000    eV 

[codecov-io]

Codecov Report

Merging #752 into master will increase coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #752      +/-   ##
==========================================
+ Coverage   62.93%   62.97%   +0.03%     
==========================================
  Files         273      273              
  Lines       39680    39720      +40     
==========================================
+ Hits        24974    25014      +40     
  Misses      14706    14706

Impacted Files	Coverage Δ
UnitsNet/GeneratedCode/UnitAbbreviationsCache.g.cs	100% <ø> (ø)	⬆️
...nsions/GeneratedCode/NumberToEnergyExtensions.g.cs	100% <100%> (ø)	⬆️
UnitsNet/GeneratedCode/Quantities/Energy.g.cs	72.74% <100%> (+1.69%)	⬆️
UnitsNet/GeneratedCode/UnitConverter.g.cs	100% <100%> (ø)	⬆️

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[angularsen]

Perfect, thanks! Nuget is out.

Release UnitsNet/4.46.0 · angularsen/UnitsNet