fix existing usernames in creation

fix middleware

#75

update domain check logic

#75

update landing text

update billing

update: platform methodology page

add img width 100% for byline images

update landing page links and text & footer links

update landing page links

remove show posts on homepage command from Blog Settings page

add custom CSS functionality

add number of posts in feed setting

fix button text colour on dark mode

update wording

update API docs

fix wording

fix is_published check not executing right

update blog import to include parsing of tags like from the export

add tags to draft posts list

update markdown export to include the tag list