Feature: Plugin System

[f3rno]

Currently the HF has a plugin system in the form of bfx-hf-models adapters, which abstract Trade and Candle sync logic. There is however a secondary system used within bfx-hf-server which cannot be easily removed (individual exchange connection classes).

As a note, bfx-hf-server relies on the bfx-hf-models adapters for all algo order execution and trade/candle syncing, not the internal exchange connection classes.

TODO

• decide on plugin architecture
  • technically half of a plugin is in bfx-hf-server and half in bfx-hf-ext-plugin-EXCHANGE
• refactor existing plugins if needed
• design plugin UI
• implement plugin system