feat(example): 新增飞行控制 C 示例项目

- 提供传感器、滤波、控制律和执行器等模块化示例
- 包含约 35 个函数用于代码分析与文档生成流程测试
- 使用 Makefile 支持最小化编译验证

src/actuators.c

@@ -0,0 +1,35 @@
+#include "flight_app.h"
+
+void Actuator_Init(ActuatorState *actuator) {
+    actuator->throttle = 0.0f;
+    actuator->elevator = 0.0f;
+    actuator->armed = 0U;
+}
+
+void Actuator_Arm(ActuatorState *actuator) {
+    actuator->armed = 1U;
+}
+
+void Actuator_WriteThrottle(ActuatorState *actuator, float throttle) {
+    if (actuator->armed) {
+        actuator->throttle = Filter_Limit(throttle, 0.0f, 1.0f);
+    }
+}
+
+void Actuator_WriteElevator(ActuatorState *actuator, float elevator) {
+    if (actuator->armed) {
+        actuator->elevator = Filter_Limit(elevator, -20.0f, 20.0f);
+    }
+}
+
+void Actuator_UpdateOutputs(ActuatorState *actuator) {
+    Actuator_Arm(actuator);
+    Actuator_WriteThrottle(actuator, actuator->throttle);
+    Actuator_WriteElevator(actuator, actuator->elevator);
+}
+
+void Actuator_Disarm(ActuatorState *actuator) {
+    actuator->armed = 0U;
+    actuator->throttle = 0.0f;
+    actuator->elevator = 0.0f;
+}