Add webcomponent qr-code-scanner

packages/qr-code-scanner/.cert/server.cert

packages/qr-code-scanner/.cert/server.key

packages/qr-code-scanner/.gitignore

packages/qr-code-scanner/.gitmodules

packages/qr-code-scanner/LICENSE

packages/qr-code-scanner/README.md

packages/qr-code-scanner/assets/favicon.ico

packages/qr-code-scanner/assets/index.html

packages/qr-code-scanner/i18next-scanner.config.js

packages/qr-code-scanner/karma.conf.js

packages/qr-code-scanner/package.json

packages/qr-code-scanner/qr-code-dummy.png

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

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

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

packages/qr-code-scanner/src/i18n.js

packages/qr-code-scanner/src/i18n/de/translation.json

packages/qr-code-scanner/src/i18n/en/translation.json

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

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