初始化回测核心引擎骨架

crates/fidc-core/src/instrument.rs

@@ -0,0 +1,8 @@
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct Instrument {
+    pub symbol: String,
+    pub name: String,
+    pub board: String,
+}