#59 added username strings

app/src/main/res/values/strings.xml

@@ -1,6 +1,7 @@
 <resources>
     <!-- Common -->
     <string name="app_name">Studeez</string>
+    <string name="username">Username</string>
     <string name="email">Email</string>
     <string name="password">Password</string>
     <string name="repeat_password">Repeat password</string>
@@ -17,6 +18,7 @@
     <string name="password_match_error">Passwords do not match.</string>
     <string name="already_user">Already have an account? Log in.</string>
 
+
     <!-- LoginScreen -->
     <string name="not_already_user">Don\'t have an account yet? Sign up.</string>
     <string name="sign_in">Sign in</string>