Update zh-tW locale (#4134)

Author: TWJohnJohn20116

Plan/common/src/main/java/com/djrapitops/plan/delivery/rendering/html/Contributors.java

@@ -116,6 +116,7 @@ public class Contributors {
             new Contributor("mcmdev", CODE),
             new Contributor("ZhangYuheng", CODE),
             new Contributor("Zaemong", LANG),
+            new Contributor("TWJohnJohn20116", LANG),
             new Contributor("YannicHock", CODE)
     };