feat: major gas fee strategy and documentation overhaul

- feat(gas): add comprehensive gas fee strategy management system
  * Implement GasFeeStrategyType with Default/LowTipHighCuPrice/HighTipLowCuPrice strategies
  * Add dynamic gas fee configuration per SWQOS service and trade type
  * Integrate arc-swap for thread-safe strategy updates

- docs: restructure documentation with dedicated guides
  * Add ADDRESS_LOOKUP_TABLE.md/CN.md for lookup table configuration
  * Add NONCE_CACHE.md/CN.md for nonce management documentation
  * Add TRADING_PARAMETERS.md/CN.md for comprehensive parameter guides
  * Simplify main README.md with focused overview

- refactor: update all examples with new gas fee strategy integration
  * Modernize 14 trading examples with consistent parameter handling
  * Improve error handling and configuration management
  * Enhance parallel trading implementation

src/trading/core/params.rs

@@ -1,6 +1,6 @@
 use super::traits::ProtocolParams;
 use crate::common::bonding_curve::BondingCurveAccount;
-use crate::common::{PriorityFee, SolanaRpcClient};
+use crate::common::SolanaRpcClient;
 use crate::solana_streamer_sdk::streaming::event_parser::common::EventType;
 use crate::solana_streamer_sdk::streaming::event_parser::protocols::bonk::BonkTradeEvent;
 use crate::swqos::SwqosClient;
@@ -24,7 +24,6 @@ pub struct BuyParams {
     pub mint: Pubkey,
     pub sol_amount: u64,
     pub slippage_basis_points: Option<u64>,
-    pub priority_fee: Arc<PriorityFee>,
     pub lookup_table_key: Option<Pubkey>,
     pub recent_blockhash: Hash,
     pub data_size_limit: u32,
@@ -46,7 +45,6 @@ pub struct SellParams {
     pub mint: Pubkey,
     pub token_amount: Option<u64>,
     pub slippage_basis_points: Option<u64>,
-    pub priority_fee: Arc<PriorityFee>,
     pub lookup_table_key: Option<Pubkey>,
     pub recent_blockhash: Hash,
     pub wait_transaction_confirmed: bool,