Feat/orderbook

[SirTLB]

Description and Motivation

This branch implements orderbook arbitrage to the white whale bots. Currently set up for the injective Helix orderbook, more orderbook structures will follow.

Related Issues

closes #85 #

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Checklist:

• [x] I have read Migaloo's contribution guidelines.
• [x] My pull request has a sound title and description (not something vague like Update index.md)
• [x] All existing and new tests are passing (if any).
• [x] I updated/added relevant documentation.
• [x] The code is formatted properly using eslint