half_tael_DQN v3.0: Virtual Trading Platform with DQN v3.0

Acknowledgment

Henry Z. (@choh )

Technical Updates:

• ♻️ Refactor DQN_v2.5 to work with half_tael_v2.0.
  • Runnable with any amount of currencies and _n_features setting with all parameters universalized.
    • although the strides are defined rather arbitrarily — tuning required.
  • Stored as DQN_v3.0.
• 🐛 Bugfix on cost converges unreasonable fast and smooth.
• ✨ Add freedom to not export arena/raw CSV file(s) in the Virtual Trading Platform.

Chore:

• 📡 🔰 📚 Add CC BY-NC as LICENSE.md, checkout #25 for more details.
• 🚚 Moved pervious DQN models into legacy_DQN folder.
• 🗑️ Removed historical CSV files in raw_data folder.