Integrate entryPointUrl for AuthKeycloak

packages/auth/assets/index.html

packages/auth/src/dbp-auth-demo.js

...eck-in-place-select/src/dbp-check-in-place-select-demo.js

packages/data-table-view/assets/index.html

packages/data-table-view/src/dbp-data-table-view-demo.js

...view/src/dbp-knowledge-base-web-page-element-view-demo.js

packages/matomo/assets/index.html.ejs

packages/matomo/src/dbp-matomo-demo.js

packages/person-profile/src/dbp-person-profile-demo.js

packages/person-select/src/dbp-person-select-demo.js

packages/provider/assets/index.html.ejs

packages/provider/src/dbp-provider-demo.js