add demo gif

Author: gemilepus

README.md

@@ -6,7 +6,7 @@
 ## 導航 (navigation) ##
 <img src="https://github.com/gemilepus/Android-SchoolMap/blob/master/01.jpg" width="300" /> <img src="https://github.com/gemilepus/Android-SchoolMap/blob/master/01.png" width="300" />
 
-<img src="https://github.com/gemilepus/Android-SchoolMap/blob/master/02.jpg" width="300" />
+<img src="https://github.com/gemilepus/Android-SchoolMap/blob/master/02.jpg" width="300" /> <img src="test.gif" width="300" />
 
 ## 其他 (other) ##
 <img src="https://github.com/gemilepus/Android-SchoolMap/blob/master/06.png" width="300" /> <img src="https://github.com/gemilepus/Android-SchoolMap/blob/master/04.png" width="300" />