Bugfixes (#74)

* Fix demo post date format
* Fix test data
* Fix sorting
* Fix load more
* Fix markdown preview not updating
* Load relation options if value provided
* Update entry with default date
* Better change detection
* Fix sticky headers on tablet view (docs site)

core/src/extensions.ts

@@ -51,5 +51,8 @@ export function addExtensions() {
     CodeWidget(),
     ColorStringWidget(),
   ]);
-  registerLocale('en', locales.en);
+
+  Object.keys(locales).forEach(locale => {
+    registerLocale(locale, locales[locale]);
+  });
 }