Support for QuantumOptics.jl

[ytdHuang]

This PR support the operator (matrix) type of QuantumOptics.

[codecov]

Codecov Report

Patch coverage: 94.05% and project coverage change: +6.03% 🎉

Comparison is base (0c5d77c) 88.42% compared to head (ce235eb) 94.45%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #28      +/-   ##
==========================================
+ Coverage   88.42%   94.45%   +6.03%     
==========================================
  Files          17       19       +2     
  Lines        1339     1371      +32     
==========================================
+ Hits         1184     1295     +111     
+ Misses        155       76      -79     

Files Changed	Coverage Δ
src/HierarchicalEOM.jl	100.00% <ø> (ø)
src/heom_matrices/heom_matrix_base.jl	87.50% <60.00%> (+3.07%)	⬆️
ext/HierarchicalEOM_QOExt.jl	81.81% <81.81%> (ø)
src/ADOs.jl	100.00% <100.00%> (+4.76%)	⬆️
src/Bath.jl	96.36% <100.00%> (+3.24%)	⬆️
src/HeomBase.jl	100.00% <100.00%> (+1.23%)	⬆️
src/Spectrum.jl	100.00% <100.00%> (+11.00%)	⬆️
src/SteadyState.jl	87.80% <100.00%> (+9.23%)	⬆️
src/evolution.jl	90.41% <100.00%> (+7.62%)	⬆️
src/heom_matrices/M_Boson.jl	98.55% <100.00%> (+17.12%)	⬆️
... and 3 more

... and 4 files with indirect coverage changes

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