添加 jiuchuan-s3 开发板支持 (#775)

* 添加 jiuchuang-s3 开发板支持

* 增加编译指南

* 优开发板支持包文件目录，更新README.md

删除了多余板载文件
[* ]README.md -> 更新了编译指南和烧录指南

* 修改板级支持包名

* 使用乐鑫提供的电源监测

* 修复部分代码格式问题

* 解决合并冲突

* 解决部分合并内容

* 完善合并内容

* 修复电量映射表错误

---------

Co-authored-by: unknown <jake12355>

main/boards/jiuchuan-s3/power_controller.h

@@ -0,0 +1,51 @@
+#pragma once
+#include <mutex>
+#include <functional>
+#include <driver/gpio.h>
+#include <esp_log.h>
+
+class PowerController {
+public:
+    enum class PowerState {
+        ACTIVE,
+        LIGHT_SLEEP, 
+        DEEP_SLEEP,
+        SHUTDOWN
+    };
+
+    static PowerController& Instance() {
+        static PowerController instance;
+        return instance;
+    }
+
+    void SetState(PowerState newState) {
+        std::lock_guard<std::mutex> lock(mutex_);
+        if (currentState_ != newState) {
+            ESP_LOGI("PowerCtrl", "State change: %d -> %d", 
+                    static_cast<int>(currentState_), 
+                    static_cast<int>(newState));
+            
+            currentState_ = newState;
+            if (stateChangeCallback_) {
+                stateChangeCallback_(newState);
+            }
+        }
+    }
+
+    PowerState GetState() const {
+        std::lock_guard<std::mutex> lock(mutex_);
+        return currentState_;
+    }
+
+    void OnStateChange(std::function<void(PowerState)> callback) {
+        stateChangeCallback_ = callback;
+    }
+
+private:
+    PowerController() = default;
+    ~PowerController() = default;
+
+    PowerState currentState_ = PowerState::ACTIVE;
+    std::function<void(PowerState)> stateChangeCallback_;
+    mutable std::mutex mutex_;
+};