feat: 添加 BLE HID 键盘支持与配置

- 在 sdkconfig.defaults 中更新 BLE 配置以支持 HID 键盘功能
- 新增 ble_hid.c 和 ble_hid.h 文件，实现 BLE HID 键盘的核心功能
- 更新 CMakeLists.txt，包含新的服务文件以支持 BLE HID
- 修改 ui_handlers.c，响应启动按钮事件以发送 HID 按键
- 更新 ble_manager.c，初始化 BLE HID 功能并处理连接状态
- 新增 esp_hid_gap.c 和 esp_hid_gap.h 文件，管理 BLE HID 的 GAP 相关功能

main/app/ui_handlers.c

@@ -2,28 +2,25 @@
 
 #include <stdbool.h>
 
+#include "ble_hid.h"
 #include "boot_button.h"
-#include "lvgl_port.h"
-#include "ui.h"
+#include "esp_log.h"
 #include "ui_events.h"
 
-static bool s_showing_screen1;
+static const char *TAG = "ui_handlers";
 
-static void ui_toggle_screen(void)
+static void on_boot_press(void)
 {
-    lvgl_port_lock();
-    if (s_showing_screen1) {
-        _ui_screen_change(&ui_Screen2, LV_SCR_LOAD_ANIM_FADE_ON, 200, 0, ui_Screen2_screen_init);
+    if (ble_hid_ready()) {
+        ble_hid_send_combo(0, HID_KEY_C);
     } else {
-        _ui_screen_change(&ui_Screen1, LV_SCR_LOAD_ANIM_FADE_ON, 200, 0, ui_Screen1_screen_init);
+        ESP_LOGW(TAG, "HID not ready");
     }
-    s_showing_screen1 = !s_showing_screen1;
-    lvgl_port_unlock();
 }
 
 void ui_handlers_init(void)
 {
-    boot_button_init(ui_toggle_screen);
+    boot_button_init(on_boot_press);
 }
 
 void update_year_action(lv_event_t * e)