新增 Hc05 类，支持 HC-05 蓝牙模块的串口通信，增加串口设置波特率函数

Core/App/Helper/gpio_helper.hpp

@@ -56,7 +56,8 @@ public:
         return {port, pin};
     }
 
-    static Gpio GpioInit(const Gpio& gpio, const uint32_t mode, const uint32_t pull, const GPIO_PinState state) {
+    static Gpio GpioInit(const Gpio& gpio, const uint32_t mode, const uint32_t pull,
+        const std::optional<GPIO_PinState> state = std::nullopt) {
         return GpioInit(gpio.port, gpio.pin, mode, pull, state);
     }