Add Redis-compatible coordination substrate

crates/remora-coordination/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "remora-coordination"
+edition.workspace = true
+publish = false
+rust-version.workspace = true
+version.workspace = true
+
+[dependencies]
+redis = { version = "0.32.7", default-features = false, features = [
+    "aio",
+    "connection-manager",
+    "script",
+    "tokio-comp",
+] }
+serde = { workspace = true, features = ["derive"] }
+serde_json.workspace = true
+thiserror.workspace = true
+tokio.workspace = true
+
+[dev-dependencies]
+tokio = { workspace = true, features = ["macros", "rt-multi-thread", "sync", "time"] }