Enhance changelog input to textarea with character counter

[bookstack] / dev / api / responses / books-update.json

{
  "id": 226,
  "name": "My updated book",
  "slug": "my-updated-book",
  "description": "This is my book with updated details",
  "created_at": "2023-12-22T14:22:28.000000Z",
  "updated_at": "2023-12-22T14:24:07.000000Z",
  "created_by": 1,
  "updated_by": 1,
  "owned_by": 1,
  "default_template_id": 2427,
  "description_html": "<p>This is my book with <em>updated<\/em> details<\/p>",
  "tags": [
    {
      "name": "Subject",
      "value": "Updates",
      "order": 0
    }
  ],
  "cover": null
}