change template to authors to accomodate author taxonomy

lumbunglib/templates/feed.md

@@ -3,7 +3,7 @@ title: "{{ frontmatter.title }}"
 date: "{{ frontmatter.date }}" #2021-06-10T10:46:33+02:00
 draft: false
 summary: "{{ frontmatter.summary }}"
-author: "{{ frontmatter.author }}"
+authors: ["{{ frontmatter.author }}"]
 original_link: "{{ frontmatter.original_link }}"
 feed_name: "{{ frontmatter.feed_name}}"
 categories: ["{{ frontmatter.card_type }}", "{{ frontmatter.feed_name}}"]

lumbunglib/templates/hashtag.md

@@ -1,7 +1,7 @@
 ---
 date: {{ post_metadata.created_at }} #2021-06-10T10:46:33+02:00
 draft: false
-author: {{ post_metadata.account.display_name }}
+authors: ["{{ post_metadata.account.display_name }}"]
 avatar: {{ post_metadata.account.avatar }}
 categories: ["shouts"]
 images: [{% for i in post_metadata.media_attachments %} {{ i.url }}, {% endfor %}]