update: platform methodology page
add img width 100% for byline images
update landing page links and text & footer links
update landing page links
add custom CSS functionality
fix button text colour on dark mode
fix is_published check not executing right
add tags to draft posts list
update post detail page for tag query param on url
fix use blog_user on public template
update tags filtering functionality to allow for multiple tags to be filtered on
add all_tags lists to templates and postmanager functions to get all unique tags for posts and blog setting to show/hide tags in posts list
fix allow tags input on post form to be blank
add bold to username in dashboard welcome text