[WIP] MPRester updates

[munrojm]

This PR contains updates to MPRester convenience functions for materials, thermo and electronic structure data.

[codecov-commenter]

Codecov Report

Merging #303 (a5a6ca6) into main (0bbefea) will increase coverage by 41.27%.
The diff coverage is 64.57%.

@@             Coverage Diff             @@
##             main     #303       +/-   ##
===========================================
+ Coverage   32.39%   73.67%   +41.27%     
===========================================
  Files         109       59       -50     
  Lines        3084     1937     -1147     
===========================================
+ Hits          999     1427      +428     
+ Misses       2085      510     -1575     

Impacted Files	Coverage Δ
src/mp_api/routes/_consumer/client.py	0.00% <0.00%> (ø)
src/mp_api/routes/dielectric/client.py	37.50% <0.00%> (-7.50%)	⬇️
src/mp_api/routes/elasticity/client.py	30.30% <0.00%> (-4.18%)	⬇️
src/mp_api/routes/electrodes/client.py	41.66% <0.00%> (-8.34%)	⬇️
src/mp_api/routes/eos/client.py	45.00% <0.00%> (-11.25%)	⬇️
src/mp_api/routes/magnetism/client.py	34.48% <0.00%> (-5.52%)	⬇️
src/mp_api/routes/molecules/client.py	32.25% <0.00%> (-7.03%)	⬇️
src/mp_api/routes/piezo/client.py	45.45% <0.00%> (-10.11%)	⬇️
src/mp_api/routes/surface_properties/client.py	37.03% <0.00%> (-6.45%)	⬇️
src/mp_api/routes/synthesis/data_adaptor.py	0.00% <0.00%> (ø)
... and 91 more

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