Implementing dump method to RQAOA / QAOA Results

[raulconchello]

Pull request to implement a method to the RQAOAResults class that returns the object as a json.

TO DO

• [x] Implement dump method
• [x] Serialize important info of the qaoa object when calling RQAOAResults.dump()
• [x] Serialize all the important parameters used by the user when running RQAOA
• [x] Add a test for the method

[codecov[bot]]

Codecov Report

Merging #122 (dc3d06a) into dev (25d93e6) will increase coverage by 0.23%. The diff coverage is 90.55%.

:exclamation: Current head dc3d06a differs from pull request most recent head 29472f8. Consider uploading reports for the commit 29472f8 to get more accurate results

@@            Coverage Diff             @@
##              dev     #122      +/-   ##
==========================================
+ Coverage   87.39%   87.63%   +0.23%     
==========================================
  Files          67       67              
  Lines        9086     9059      -27     
==========================================
- Hits         7941     7939       -2     
+ Misses       1145     1120      -25     

Impacted Files	Coverage Δ
openqaoa/backends/qpus/qaoa_braket_qpu.py	21.59% <0.00%> (-0.51%)	:arrow_down:
openqaoa/optimizers/training_vqa.py	81.25% <ø> (ø)
openqaoa/qaoa_parameters/annealingparams.py	92.18% <ø> (ø)
openqaoa/qaoa_parameters/fourierparams.py	91.89% <ø> (ø)
openqaoa/qaoa_parameters/standardparams.py	90.85% <ø> (ø)
openqaoa/utilities.py	88.36% <ø> (+3.84%)	:arrow_up:
setup.py	100.00% <ø> (ø)
tests/test_qpu_braket.py	10.38% <6.97%> (-0.44%)	:arrow_down:
tests/test_qpu_devices.py	33.33% <15.78%> (+2.89%)	:arrow_up:
openqaoa/devices.py	48.92% <16.66%> (+0.34%)	:arrow_up:
... and 27 more

:mega: We’re building smart automated test selection to slash your CI/CD build times. Learn more

[Q-lds]

@raulconchello does it only work for rqaoa? Or is it already working for qaoa too, as q.result.dum()?

[raulconchello]

@raulconchello does it only work for rqaoa? Or is it already working for qaoa too, as q.result.dum()?

That I haven't done. Should I do it too in this PR?

[Q-lds]

@raulconchello does it only work for rqaoa? Or is it already working for qaoa too, as q.result.dum()?

That I haven't done. Should I do it too in this PR?

Yes, I think it can be added here. You can update the name of the PR too (to reflect the qaoa part)