Added trade.py and updated constants.py

[rickecon]

• make format and make documentation has been run. (You may also want to run make test.)

This PR starts adding trade to OG-PHL.

• Adds trade.py
• Updated constants.py

cc: @jdebacker @SeaCelo

[SeaCelo]

Hi @rickecon

Thank you for your work on this PR. It seems that the content appears more like a placeholder rather than a complete and documented solution. Documentation would help us understand the purpose of the changes.

Could you please provide more detailed documentation and ensure that all relevant information is included? This will help us better evaluate the PR and understand its intended use.

also, please remember to make format and the other steps.

Looking forward to your updates.

[SeaCelo]

Let's try this PR again with the full documentation. Closing

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 7 lines in your changes missing coverage. Please review.

Project coverage is 68.79%. Comparing base (9201542) to head (74ec833).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
ogphl/trade.py	0.00%	7 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #27      +/-   ##
==========================================
- Coverage   70.54%   68.79%   -1.76%     
==========================================
  Files          12       13       +1     
  Lines         275      282       +7     
==========================================
  Hits          194      194              
- Misses         81       88       +7     

Flag	Coverage Δ
unittests	68.79% <0.00%> (-1.76%)	⬇️

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