Check-in-Editions.md

@@ -9,3 +9,4 @@ Teachers can set up sign-in time for students with time limitation.
 ![Image.text](https://csgitlab.ucd.ie/19206223/software-engproject-group9/-/raw/master/Stuweb/Wiki%20Image/Sprint4/4.1.png)
 ![Image.text](https://csgitlab.ucd.ie/19206223/software-engproject-group9/-/raw/master/Stuweb/Wiki%20Image/Sprint4/4.2.png)
     
+### author: Wu Xuan
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