Interfaces for two phase pyrolysis and bug fix

[hwpang]

Added interfaces for two-phase pyrolysis and fixed some bugs for four party reactions and multi-domain reactor.

[codecov[bot]]

Codecov Report

Merging #194 (956c03d) into main (cf156ab) will increase coverage by 0.23%. The diff coverage is 64.70%.

@@            Coverage Diff             @@
##             main     #194      +/-   ##
==========================================
+ Coverage   47.58%   47.81%   +0.23%     
==========================================
  Files          29       29              
  Lines        6515     6596      +81     
==========================================
+ Hits         3100     3154      +54     
- Misses       3415     3442      +27     

Impacted Files	Coverage Δ
src/Calculators/kLAkH.jl	85.71% <0.00%> (ø)
src/Simulation.jl	30.51% <0.00%> (-0.15%)	:arrow_down:
src/Domain.jl	57.95% <37.50%> (-0.27%)	:arrow_down:
src/Reactor.jl	47.41% <58.53%> (+0.27%)	:arrow_up:
src/Interface.jl	88.76% <100.00%> (+2.18%)	:arrow_up:
src/TestReactors.jl	100.00% <100.00%> (ø)

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[hwpang]

@mjohnson541 I think I addressed all the comments and all tests have passed.