New service initial commit (#1234)

* New service initial commit

* More separation of the new and old services

* Fix review comments

* Adds polkadot.json

* Fix browser build

* Remove unused import

* Update node/service/src/lib.rs

Co-authored-by: Fedor Sakharov <fedor.sakharov@gmail.com>

* Remove duplicate json files

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>