<script>
  let list = ["eat morning."];
  const add = () => {
    list = [...list, ""];
  };
</script>

<header>
  <button on:click={add}>Add new</button>
</header>

<ul>
  {#each list as value}
    <li>
      <input type="text" bind:value placeholder="input sth." />
    </li>
  {/each}
</ul>

<style>
  ul,
  li {
    margin: 0;
    padding: 0;
    width: auto;
  }
  li {
    list-style: none;
    padding: 15px 20px;
    margin-bottom: 5px;
    background-color: #f1f8fd;
  }
  input {
    width: 100%;
  }
</style>