Feature: Out of sample signal optimiser + new transformers + new predictors

[rushilg99]

No description provided.

[codecov]

Codecov Report

Merging #1266 (2e888f3) into develop (de6b229) will decrease coverage by 1.36%.
Report is 7 commits behind head on develop.
The diff coverage is 11.26%.

Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1266      +/-   ##
===========================================
- Coverage    75.62%   74.26%   -1.36%     
===========================================
  Files           61       62       +1     
  Lines         5448     5553     +105     
===========================================
+ Hits          4120     4124       +4     
- Misses        1328     1429     +101     

Files	Coverage Δ
macrosynergy/learning/__init__.py	100.00% <100.00%> (ø)
macrosynergy/signal/signal_return_relations.py	96.37% <ø> (ø)
macrosynergy/visuals/__init__.py	100.00% <100.00%> (ø)
macrosynergy/visuals/table.py	100.00% <ø> (ø)
macrosynergy/learning/predictors.py	0.00% <0.00%> (ø)
macrosynergy/learning/transformers.py	14.73% <18.96%> (+0.54%)	⬆️
macrosynergy/learning/signal_optimizer.py	10.41% <4.10%> (ø)