Add infrastructure

packages/file-handling/.gitignore

packages/file-handling/.gitlab-ci.yml

packages/file-handling/.gitmodules

packages/file-handling/README.md

packages/file-handling/assets/favicon.ico

packages/file-handling/assets/index.html

packages/file-handling/i18next-scanner.config.js

packages/file-handling/karma.conf.js

packages/file-handling/package.json

packages/file-handling/rollup.config.js

packages/file-handling/src/demo.js

packages/file-handling/src/i18n.js

packages/file-handling/src/i18n/de/translation.json

packages/file-handling/src/i18n/en/translation.json

packages/file-handling/src/index.js

packages/file-handling/src/vpu-fileupload.js

packages/file-handling/vendor/common