Feat/coinstore orderbook

[vic-en]

Before submitting this PR, please make sure:

• [ ] Your code builds clean without any errors or warnings
• [ ] You are using approved title ("feat/", "fix/", "docs/", "refactor/")

A description of the changes proposed in the pull request: This PR adds the order book for Coinstore. [ch41866]

Tests performed by the developer:

• Manual test
• Unit test

Tips for QA testing:

[shortcut-integration[bot]]

This pull request has been linked to Shortcut Story #41866: Implement Coinstore Exchange Spot Order Book Data Source.