sprint-12-release-candidate

This release was focused on improving UI / UX. Changes in the frontend:

• re-design of similarity search page (#93) and added components page (#94)
• replacing old widgets with new ones (#92)
• implementing post mechanism for added components (#89)
• sorting of similarity search results (#82)
• integrating mendix database to ensure more seamless ux
• re-design of login-page (#90 )
• re-design and implementation of filters (#91 )
  Furthermore, we introduced IaC (#63) and finished the CD pipeline of the backend (#64)