Provide "Delimited" and "HTML list" display formatters for fields

In Drupal 6 you could choose to display taxonomy terms on a node as a comma separated list of links. In Drupal 7, the only way to achieve the same thing was to use the taxonomy formatter module.

I would love to see this common-use-case feature restored to backdrop.

Here's a summary of sorts for these requests:

• Apply this new formatter to any multi-valued field
• Allow separating items by a custom delimiter (e.g. ,, ;, -, etc.)
• Allow formatting multi-valued fields as HTML lists (e.g. <ul>, <ol>)
• Allow specifying a different custom delimiter for the last two items (e.g. &)

Modules to use for inspiration:

• https://www.drupal.org/project/taxonomy_formatter
• https://www.drupal.org/project/field_delimiter
• https://www.drupal.org/project/textformatter