顶部按钮添加 首页、导览、活动

Signed-off-by: Takashiro <takashiro@qq.com>
修改按钮图标

Signed-off-by: Takashiro <takashiro@qq.com>
disable the home button on home page

Signed-off-by: Takashiro <takashiro@qq.com>
link navigator page and activity page

Signed-off-by: Takashiro <takashiro@qq.com>
add 4 photos of carves

Signed-off-by: Takashiro <takashiro@qq.com>
a useless line

Signed-off-by: Takashiro <takashiro@qq.com>
add four sample carves

Signed-off-by: Takashiro <takashiro@qq.com>