Develop fee

[shanu516516]

This branch merges new features and fixes related to order cancellation handling and fee tracking into the project:

• Order Cancellation Logic (Lua & Rust):

  • The archiver.rs Redis script to properly handle order cancellations.
  • When an order is cancelled:
    • The order is removed from the Redis hash.
    • The position size is adjusted or removed from the order book.
    • No further processing occurs if the position is already zero.
  • This ensures that cancelled orders are cleanly removed from both memory and persistent storage.

• Orderbook View Enhancements (SQL Migration):

  • Modified the up.sql migration to add two new columns: fee_filled and fee_settled.
  • These columns are now selected and available in orderbook views for both open and settled orders.
  • This change supports more detailed fee tracking and reporting at the database level.