Merge branch 'prettier' into 'master'

package.json

packages/app-shell/.eslintrc.json

packages/app-shell/.prettierignore

packages/app-shell/.prettierrc.json

packages/app-shell/assets/example.metadata.json

packages/app-shell/assets/example.topic.metadata.json

packages/app-shell/assets/example2.metadata.json

packages/app-shell/i18next-scanner.config.js

packages/app-shell/package.json

packages/app-shell/rollup.config.js

packages/app-shell/src/app-shell.js

packages/app-shell/src/auth-menu-button.js

packages/app-shell/src/build-info.js

packages/app-shell/src/dbp-activity-example.js

packages/app-shell/src/dbp-app-shell-welcome.js

packages/app-shell/src/dbp-app-shell.js

packages/app-shell/src/i18n/de/translation.json

packages/app-shell/src/i18n/en/translation.json

packages/app-shell/src/index.js

packages/app-shell/src/router.js