message: doc: fix useDynamic merge type to array
diff: @@ -42,7 +42,7 @@ const result: Result = useDynamicList(initialValue: T[]);
  | list | current list data | `T[]` | - |
  | resetList | reset list current data | `(list: T[]) => void` | - |
  | insert | add item at specific position | `(index: number, obj: T) => void` | - |
  -| merge | merge items into specific position | `(index: number, obj: T) => void` | - |
  +| merge | merge items into specific position | `(index: number, obj: T[]) => void` | - |
  | replace | replace item at specific position | `(index: number, obj: T) => void` | - |
  | remove | delete specific item | `(index: number) => void` | - |
  | move | move item from old index to new index | `(oldIndex: number, newIndex: number) => void` | - |
  