* message dispatch support multiple instances

* Move pallet-bridge-dispatch types to primitives

* remove pallet-bridge-dispatch dependency

* Update cargo.lock (remove pallet-bridge-dispatch in substrate-relay)

* remove extra dependencies

* Add Wococo primitives crate

* Add more Wococo boilerplate code

* Add CLI support for initializing the Wococo<>Rococo bridge

* Add support for relaying headers between Rococo and Wococo

* Fix test

* RustFmt

* Fix compilation issues related to enum naming

* Bump Rococo `spec_version`

* Remove stray Westend references

* Remove scripts for Westend<>Rococo header sync

* Remove Westend<>Rococo header sync code

* Remove Westend<>Rococo init bridge CLI option

* Modify Westend mock call to be placeholder

* Fix call encoding test

* Small naming clean up.

* Small naming clean up.

* Add Rococo module to CLI

Co-authored-by: Svyatoslav Nikolsky <[email protected]>
Co-authored-by: Hernando Castano <[email protected]>