Feat: wire up a very basic dom updater

packages/core/Cargo.toml

@@ -31,3 +31,4 @@ id-arena = "2.2.1"
 thiserror = "1.0.23"
 fxhash = "0.2.1"
 longest-increasing-subsequence = "0.1.0"
+# hashbrown = { version = "0.9.1", features = ["bumpalo"] }