Share the karma config for all packages

karma.common.conf.js

packages/app-shell/karma.conf.js

packages/auth/karma.conf.js

packages/check-in-place-select/karma.conf.js

packages/common/karma.conf.js

packages/data-table-view/karma.conf.js

packages/file-handling/karma.conf.js

packages/knowledge-base-web-page-element-view/karma.conf.js

packages/language-select/karma.conf.js

packages/matomo/karma.conf.js

packages/notification/karma.conf.js

packages/person-profile/karma.conf.js

packages/person-select/karma.conf.js

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