Ordered List create invalid `rich_text_list`

Describe the bug

Generated block has a indent value of null

To Reproduce

Input file

<ul>
  <li>
    name of pr
    <a href="https://github.com/reponame/reponame/pull/1605"
      >https://github.com/reponame/reponame/pull/1605</a
    >
  </li>
</ul>

Will give

[
  {
    "type": "rich_text",
    "elements": [
      {
        "type": "rich_text_list",
        "style": "bullet",
        "elements": [
          {
            "type": "rich_text_section",
            "elements": [
              {
                "type": "text",
                "text": "name of pr"
              },
              {
                "type": "link",
                "url": "https://github.com/reponame/reponame/pull/1605",
                "text": "https://github.com/reponame/reponame/pull/1605"
              }
            ]
          }
        ],
        "indent": null
      }
    ]
  }
]

ident is null

This is because here: https://github.com/matteodf/html-to-slack/blob/main/src/utils/index.ts#L68

The first parameter for the replace is not indented like the input so it can't match and the second parameter isn't inserted

input is

<ul><li>name of pr<a href="https://github.com/reponame/reponame/pull/1605"
      >https://github.com/reponame/reponame/pull/1605</a></li></ul>

The first parameter is

<ul><li>name of pr<a href="https://github.com/reponame/reponame/pull/1605">https://github.com/reponame/reponame/pull/1605</a></li></ul>

Expected behavior

Having 0 for the indent

matteodf / html-to-slack

Ordered List create invalid `rich_text_list` #5