code: @Deprecated
      public Blade after(@NonNull String path, @NonNull RouteHandler0 handler) {
          this.routeMatcher.addRoute(path, handler, HttpMethod.AFTER);
          return this;
      }
docs: Add a after route to routes, the before route will be executed after matching route
  
  @param path    your route path
  @param handler route implement
  @return return blade instance
  @see #after(String, RouteHandler)