lfest 0.77.0

A leveraged perpetual futures exchange for simulated trading and backtesting
Documentation
## Changes:

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* 🩹 Bug Fix
* 🦚 Feature
* 📙 Documentation
* 🪣 Misc

## References:

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issues, papers, etc
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## Changes proposed by this PR:

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## Notes to reviewer:

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## 📜 Checklist

* [ ] The PR scope is bounded
* [ ] Relevant issues and discussions are referenced
* [ ] Test coverage is excellent and passes
* [ ] Tests test the desired behavior
* [ ] Documentation is thorough