feat/add_deriv_positions_example

[aarmoa]

• Added example for liquidable positions request
• Removed sentry nodes from the valid network configs

[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (0b3b17b) 56.28% compared to head (87b0af7) 56.50%.

Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #255      +/-   ##
==========================================
+ Coverage   56.28%   56.50%   +0.22%     
==========================================
  Files          17       17              
  Lines        2038     2030       -8     
  Branches      241      240       -1     
==========================================
  Hits         1147     1147              
  Misses        855      855              
+ Partials       36       28       -8     

Files	Coverage Δ
pyinjective/core/network.py	40.64% <ø> (+1.66%)	⬆️

... and 1 file with indirect coverage changes

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.