News admin changes

[glawson]

https://www.loom.com/share/4eea359666be4a21bbb335bddecb5cba

• Add loader
• Change title, remove 'data'
• Remove 'Body' from table view (leave in form)
• Remove 'Delete' button from table view (add to form)
• Change Date labels to 'Publish Date'
• Add "link" field to form