Invalid author

[HowieHz]

output: rss2

https://validator.w3.org/feed/docs/error/InvalidContact.html

Obviously, when there is only a name and no email, dc:creator should be used to comply with the standards.

https://www.rssboard.org/rss-profile#namespace-elements-dublin-creator

feed/src/rss2.ts

Line 178 in 0dd65a5

item.author.push({ _text: author.name });