* Rewrite client handling

We are supporting muliple polkadot-like chains and all have different
client types. This pr reworks the client handling by having all of them
in one enum combined. Besides that, there is added a special trait
`ExecuteWithClient` to use the internal client.

* Apply suggestions from code review

Co-authored-by: Robert Habermeier <[email protected]>

* Up the versions

* Fix Cargo.lock

* Fix merge conflict

* ......................

* ....v2

* yep

* I'm dumb...

* Browser lol

Co-authored-by: Robert Habermeier <[email protected]>

* Sudo wrapper for paras

* Move to separate module

* Add some docs

* Fix transaction payment runtime api companion

Companion for Substrate pr: https://github.com/paritytech/substrate/pull/6792

* 'Update substrate'

Co-authored-by: parity-processbot <>

* rename rococo to rococo-v1

* update Cargo.lock