[unitaryhack] add exponential wrapper class

[ixime]

Description

Implement a class exponential wrapper around the Gate Protocol.

Please verify that you have completed the following steps

• I have self-reviewed my code.
• I have included test cases validating introduced feature/fix.
• I have updated documentation.

[AthenaCaesura]

Thanks so so much for your contribution! This is great!
May I ask that you write some tests for this though? For both the new Exponential class and for serde. You can use this PR as a template for your tests.

[ixime]

Thanks so so much for your contribution! This is great! May I ask that you write some tests for this though? For both the new Exponential class and for serde. You can use this PR as a template for your tests.

Sure! I was in the middle of preparing them 😄

[mstechly]

This solves zapata-engineering/orquestra-core#15

[codecov-commenter]

Codecov Report

Merging #28 (b13270f) into main (ca7fbe9) will increase coverage by 0.03%.
The diff coverage is 98.03%.

@@            Coverage Diff             @@
##             main      #28      +/-   ##
==========================================
+ Coverage   94.29%   94.32%   +0.03%     
==========================================
  Files          68       68              
  Lines        5570     5621      +51     
==========================================
+ Hits         5252     5302      +50     
- Misses        318      319       +1     

Impacted Files	Coverage Δ
src/orquestra/quantum/circuits/_gates.py	94.94% <97.77%> (+0.54%)	⬆️
src/orquestra/quantum/circuits/_serde.py	98.30% <100.00%> (+0.09%)	⬆️

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[AthenaCaesura]

Awesome! Thanks so much for your contribution! Can I have your email so our legal department send you a CLA so that we can add your contribution to our codebase! If you don't want to post it here you can just email me at athena.ceasura@zapatacomputing.com and we'll get it to you.

Also, the T-shirt offer still stands. 😉

[ixime]

athena.ceasura@zapatacomputing.com

Hi @AthenaCaesura thanks for your message. I've just saw it! For some reason the emails I've just sent you were blocked, but I think @mstechly already have my email.
Please let me know if there is something more to do