feat: 添加 EdgeX 交易所适配器及相关客户端实现，支持订单、深度和K线数据处理

.env.example

@@ -77,4 +77,13 @@ BACKPACK_SANDBOX=false
 BACKPACK_SYMBOL=BTC_USD_PERP
 
 # Enable verbose adapter logging: set to "1" or "true"
-BACKPACK_DEBUG=false
+BACKPACK_DEBUG=false
+
+# EdgeX exchange configuration
+EDGEX_ACCOUNT_ID=
+EDGEX_PRIVATE_KEY=
+# EDGEX_POSITION_ID=                 # Defaults to EDGEX_ACCOUNT_ID when omitted
+# EDGEX_BASE_URL=https://pro.edgex.exchange
+# EDGEX_WS_PUBLIC_URL=wss://quote.edgex.exchange
+# EDGEX_WS_PRIVATE_URL=wss://quote.edgex.exchange
+# EDGEX_ORDER_TTL_MS=21600000        # Order expiration window (ms), default 6 hours