Several fixes and improvements, OAS3 and Docker compose

[peppelinux]

• fix: Custom title in RP landing page
• chore: show ACR on login form
• fix: id for cie button
• Coverage and Djagger
• tests: improved coverage
• Schemas authority endpoint
• feat: OAS3 Fed API
• fix: removed csrf check on token introspection endpoint
• chore: refactor trustchain for view RP
• fix: align buttons consent
• fix: [Docs] docker-compose
• fix: state parameter returned in case of error