Add ConstantTrhoDomain for fragment-based film growth simulation

[codecov[bot]]

Codecov Report

Merging #198 (b701875) into main (1ccd7fe) will increase coverage by 1.05%. The diff coverage is 63.82%.

@@            Coverage Diff             @@
##             main     #198      +/-   ##
==========================================
+ Coverage   48.73%   49.79%   +1.05%     
==========================================
  Files          31       31              
  Lines        7567     7894     +327     
==========================================
+ Hits         3688     3931     +243     
- Misses       3879     3963      +84     

Impacted Files	Coverage Δ
src/AutomaticMechanismAnalysis.jl	77.68% <0.00%> (ø)
src/Debugging.jl	17.77% <0.00%> (ø)
src/Plotting.jl	0.00% <0.00%> (ø)
src/Reaction.jl	33.33% <ø> (ø)
src/Species.jl	0.00% <ø> (ø)
src/TestEdgeAnalysis.jl	100.00% <ø> (ø)
src/TestReactors.jl	100.00% <ø> (ø)
src/fluxdiagrams.jl	0.00% <0.00%> (ø)
src/yml.jl	0.00% <0.00%> (ø)
src/Simulation.jl	34.32% <22.89%> (-0.89%)	:arrow_down:
... and 6 more

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