Update parameter names in document list component

[precious-onyenaucheya-ons]

What is the context of this PR?

97

As per the ticket's technical notes, the following parameters have been renamed:

1. type has been renamed to object.
2. The title and url parameters have been combined into a single object (named title) with text and url properties.
   Additionally, the _macro-options.md file has been updated.

BREAKING CHANGES

• Description of change::

  1. type has been renamed to object within the metadata object.
  2. The title and url parameters have been combined into an object named title, which now contains text and url.

• Reason for change: This update helps to standardise the parameter names within the project.

• Migration steps:

  1. Locate all instances of type parameter and replace with object.
  2. Locate all instances where url and title were separate parameters.
  3. Restructure title to include both text and url
  Click for example

      OLD
      {{
          onsDocumentList({
               "url": '#0',
              "title": 'ONS launches Integrated Data Service to boost government collaboration on data sharing',
              "metadata": {
                  "type": {
                      "text": 'Press releases',
                      "ref": 'Ref 008052'
                  },
          })
      }}
  
      NEW
      {{
          onsDocumentList({
               "title": {
                "text": 'ONS launches Integrated Data Service to boost government collaboration on data sharing',
                "url": '#0'
            },
            "metadata": {
                "object": {
                    "text": 'Press releases',
                    "ref": 'Ref 008052'
                },
          })
      }}
  

How to review this PR

Check that all the references to the parameters have been updated
Check that all the visual tests pass

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