OLEFA 18.4: Sharing is caring (… now with images)

1. Tools:
   • When sharing a project on social media, the title as well as the main-image are now included in the preview
2. CMS:
   • The social media share function now uses the newest APIs.
   • The login commands allows to lead the user to a specific page or module after a successful login.
   • It is now possible to permanently link a module template to a specific page template, instead of just duplicating it once.
3. OLEFABase:
   • Baseseach now has the possibility to automatically generate placeholders and labels.
4. Various bugfixes and performance improvements.