Minify CSS and JS
This approach via sprockets also enables fallback for js and css files - so designs don't have to include them if they use the default files
delete design load at configure
assets get served by sprockets
combine js/css if possible
add clientside caching
use design_default setting
targeted cache invalidation
Use markdown for the editor buttons
Allow broken links in entries
stable sorting for tagpages
cache invalidate: escape tags, fix error
changing options invalidate the cache
Disable cache when in development env
Init subscription control
Just to test the workflow. Still need to decide how to better protect mails not controlled by this user
Cache stores last-modified instead ttl
It turns out that ahving the date when the cache content was created is more helpful (for client-side-caching) than an automatic cache invalidation, which should be not necessary (apart from autotitle maybe, and that can be done manually)
Improve Installer and generate secret
The secret could be used as session secret and to encrypt the mail-addresses of visitors for the subscription control
fix cache key
Further work on subscription control
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