message: fix doc on append and prepend with array
diff: @@ -1092,7 +1092,7 @@ React.useEffect(() => {
  <td>
  <code>
  <code className={typographyStyles.typeText}>
  - (obj: object, shouldFocus: boolean = true) =&gt; void
  + (obj: object | object[], shouldFocus: boolean = true) =&gt; void
  </code>
  </code>
  </td>
  @@ -1105,7 +1105,7 @@ React.useEffect(() => {
  <td>
  <code>
  <code className={typographyStyles.typeText}>
  - (obj: object, shouldFocus: boolean = true) =&gt; void
  + (obj: object | object[], shouldFocus: boolean = true) =&gt; void
  </code>
  </code>
  </td>
  