E2e fix

See merge request sharing/codeability-sharing-platform!99

Ui improvements to resolve 272 276 277

See merge request sharing/codeability-sharing-platform!102

Securing Artemis token

See merge request sharing/codeability-sharing-platform!101

deleted classpath to have it ignored in future

See merge request sharing/codeability-sharing-platform!98

Erste Stabile Version von Study Plan

See merge request sharing/codeability-sharing-platform!97

Improve pipeline

See merge request sharing/codeability-sharing-platform!95

# Conflicts:
#   src/main/webapp/app/editorialPages/pages.component.html
#   src/main/webapp/app/exercise/exercise-details/exercise-details.component.html
#   src/main/webapp/app/home/home.component.html
#   src/main/webapp/app/layouts/footer/footer.component.html
#   src/main/webapp/app/layouts/main/main.component.html
#   src/main/webapp/app/teaserContent/teaserContent.component.html

Format code with `npm run prettier:format`

See merge request sharing/codeability-sharing-platform!92

This reverts commit af68b142.