feat: 添加实时图像显示菜单

fix: 修改旋转编码器接口中部分拼写错误的问题
pref: 修改zf_common_font.c文件中>字符的图案,方便作为指针显示

app/page/cw_page.h

@@ -13,10 +13,13 @@
 
 #include "zf_common_headfile.h"
 
+#include "by_rt_button.h"
+
 enum PageID {
     PAGE_NULL = -1,
     //......
     page_menu,
+    page_rtcam,
     // page_argv,
     // page_sys,
     // page_run,
@@ -25,9 +28,9 @@ enum PageID {
 };
 
 typedef enum page_event{
-    page_event_forward,
-    page_event_backward,
-    page_event_press
+    page_event_forward = ROTATE_BUTTON_FORWARD,
+    page_event_backward = ROTATE_BUTTON_BACKWARD,
+    page_event_press = ROTATE_BUTTON_PRESS
 } page_event;
 
 typedef void (*CallbackFunction_t)(void);