* added Rococo BH <> Rococo Bulletin bridge

* init-bridge support

* allow customising finality-related runtime APIs

* revert me

* use Rococo/BridgeHubRococo pretending to be a Polkadot/BridgeHubPolkadot in Rococo <> RococoBulletin bridge

* Revert "revert me"

This reverts commit 90c598d9.

* Revert "allow customising finality-related runtime APIs"

This reverts commit b39c32c3.

* fmt

* WITH_BRIDGE_ROCOCO_TO_BULLETIN_MESSAGES_PALLET_INDEX

* regenerate bulletin chain runtime (pallet indices have changed)

* fx WITH_BRIDGE_ROCOCO_TO_BULLETIN_MESSAGES_PALLET_INDEX constant because of latest changes

* also change indices in runtime

* fmt

* clippy

* polkadot-staging for v1.0.0

* Add polkadot bulletin chain primitives (#2542)

* add polkadot bulletin chain primitives

* also impl ChainWithMessages

* clippy

* instead of requiring sp_std::vec::Vec import when using runtime API generation macro, let's use full type path directly in macro (#2551)

* Polkadot Bulletin Chain client (#2552)

* relay-polkadot-bulletin-client

* generate Polkadot Bulletin Chain Runtime

* Add relays that will be used in Polkadot Bulletin <> Polkadot.BH bridge (#2556)

* added Polkadot.BH <> Polkadot Bulletin chain relays

* uncommented ED stuff

* complex PolkadotBulletin <> Polkadot.BH relay

* removed TODO

* spelling

* prepare refund extension infra to add refund extension for messages from standalone chain (#2558)

* prepare refund extension infra to add refund extension for messages from standalone chain

* spelling

* apply adapter to fix compilation

* clippy

* added POLKADOT_BULLETIN_CHAIN_ID constant

* RefundBridgedGrandpaMessages to refund transaction costs for messages coming to/from bridged standalone/relay chain (#2566)

* RefundBridgedGrandpaMessages to refund transaction costs for messages coming to/from bridged standalone/relay chain

* clippy

* fix compilation

* fix codec dependency (#2567)

* Support message relay limits override (#2570)

* support message relay limits overrides for bridges

* spelling

* export EXTRA_STORAGE_PROOF_SIZE for Polkadot Bulletin (#2572)