Rococo/Wococo bridge hub relay integration (#1565)

* [BridgeHub] Added bridge-hub-rococo/wococo clients with bridge-hub-rococo-runtime

* [BridgeHub] Add init-bridge stuff for bridge-hub-rococo/wococo

* [BridgeHub] Add init-bridge stuff for bridge-hub-rococo/wococo

* [BridgeHub] Fixed Call-encoding for init-bridge rococo runtime wrapper

* Final index update to runtime calls

* [BridgeHub] Add init-bridge stuff for bridge-hub-rococo/wococo (otherside)

* Added runtime best_finalized functions + relay-headers init

* Renaming and change BridgeHubRococo/Wococo to Rococo/Wococo config

* [BridgeHub] Add relay-parachains (Rococo/Wococo)

* Missing stuff for adding xcm messaging to BridgeHub

* extracted parachain IDs to the primitives

* fix compilation

* Fixes

* Init setup for Rococo->Wococo messaging support

* Removed unused AccountId from `trait MessagesBridge`

* Removed unused trait SenderOrigin

* Small fixes

* Cleaning after master-merge

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes:
- align WeightToFee with BridgeHubRococo runtime
- MAX_HEADER_SIZE
- updated TODOs

* Added relay_messages cfg for BridgeHubWococo -> BridgeHubRococo

Co-authored-by: Svyatoslav Nikolsky <svyatonik@gmail.com>

bridges/relays/client-bridge-hub-rococo/Cargo.toml

@@ -0,0 +1,29 @@
+[package]
+name = "relay-bridge-hub-rococo-client"
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+edition = "2021"
+license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
+
+[dependencies]
+codec = { package = "parity-scale-codec", version = "3.1.5", features = ["derive"] }
+scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
+relay-substrate-client = { path = "../client-substrate" }
+
+# Bridge dependencies
+
+bp-bridge-hub-rococo = { path = "../../primitives/chain-bridge-hub-rococo" }
+bp-bridge-hub-wococo = { path = "../../primitives/chain-bridge-hub-wococo" }
+bp-header-chain = { path = "../../primitives/header-chain" }
+bp-messages = { path = "../../primitives/messages" }
+bp-polkadot-core = { path = "../../primitives/polkadot-core" }
+bp-runtime = { path = "../../primitives/runtime" }
+
+bridge-runtime-common = { path = "../../bin/runtime-common" }
+# Substrate Dependencies
+
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master" }
+
+[dev-dependencies]
+sp-finality-grandpa = { git = "https://github.com/paritytech/substrate", branch = "master" }