Merge branch 'master' into dbp-translation-component

package.json

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

packages/common/dbp-common-demo.js

packages/common/dbp-lit-element.js

packages/common/src/i18n/de/translation.json

packages/common/src/i18n/en/translation.json

packages/common/src/translation.js

packages/matomo/src/matomo.js

packages/qr-code-scanner/README.md

packages/qr-code-scanner/package.json

packages/qr-code-scanner/rollup.config.js

packages/qr-code-scanner/src/engine.js

packages/qr-code-scanner/src/index.js

packages/qr-code-scanner/src/qr-code-scanner.js

packages/qr-code-scanner/test/unit.js

packages/theme-switcher/README.md

packages/typescript-example/package.json

toolkit-showcase/assets/common.metadata.json

toolkit-showcase/src/dbp-common-demo-activity.js

toolkit-showcase/src/i18n/de/translation.json