Update Snowbridge versions and prep for publishing (#2894)

- updates snowbridge crates to `0.9.0`
- updates Cargo.toml files in preparation for publishing to crates.io
- adds Kusama and Polkadot Snowbridge runtime config crates
- moves runtime tests from the Snowbridge subtree into the bridge hub
tests dir

---------

Co-authored-by: claravanstaden <Cats 4 life!>
Co-authored-by: Ron <yrong1997@gmail.com>

bridges/snowbridge/parachain/pallets/outbound-queue/merkle-tree/Cargo.toml

@@ -1,11 +1,15 @@
 [package]
 name = "snowbridge-outbound-queue-merkle-tree"
 description = "Snowbridge Outbound Queue Merkle Tree"
-version = "0.1.1"
-edition = "2021"
+version = "0.9.0"
 authors = ["Snowfork <contact@snowfork.com>"]
-repository = "https://github.com/Snowfork/snowbridge"
+edition.workspace = true
+repository.workspace = true
 license = "Apache-2.0"
+categories = ["cryptography::cryptocurrencies"]
+
+[lints]
+workspace = true
 
 [package.metadata.docs.rs]
 targets = ["x86_64-unknown-linux-gnu"]

bridges/snowbridge/parachain/pallets/outbound-queue/merkle-tree/README.md

@@ -0,0 +1,4 @@
+# Snowbridge Outbound Queue Merkle Tree
+
+This crate implements a simple binary Merkle Tree utilities required for inter-op with Ethereum
+bridge & Solidity contract.