Show 'function' instead of 'void' or other return type for hover info of JS method declarations

src/main/java/noppes/npcs/client/gui/util/script/interpreter/hover/TokenHoverInfo.java

@@ -1125,7 +1125,9 @@ public class TokenHoverInfo {
         
         // Return type
         TypeInfo returnType = methodInfo.getReturnType();
-        if (returnType != null) {
+        if (ScriptDocument.INSTANCE.isJavaScript())
+            addSegment("function ", TokenType.KEYWORD.getHexColor());
+        else if (returnType != null) {
             addTypeSegments(returnType);
             addSegment(" ", TokenType.DEFAULT.getHexColor());
         } else {