Merge branch 'main' of gitlab.cs.hs-rm.de:dross001/learniverse

components/ModuleCardSlider/ModuleCardsContainer.tsx

components/ModuleCardSlider/ModuleCardsSlider.tsx

components/ModuleDetail/VideoSlider/VideoSlider.tsx

components/Plotter/Plotter.tsx

pages/_app.tsx

tests/playwright_e2e/header.spec.ts

tests/playwright_e2e/indexTest.spec.ts

tests/playwright_e2e/userRoundtrip.spec.ts

unitTests/jest/Chat.test.tsx

unitTests/jest/Plotter.test.tsx

unitTests/jest/VideoSlider.test.tsx

unitTests/jest/easyTests/FormAndImage.test.tsx

unitTests/jest/easyTests/Graphteaser.test.tsx

unitTests/jest/easyTests/Header.test.tsx

unitTests/jest/easyTests/HomeBG.test.tsx

unitTests/jest/easyTests/TextContent.test.tsx