feat: add internal ZCLAW kernel crates to git tracking

crates/zclaw-kernel/Cargo.toml

@@ -0,0 +1,34 @@
+[package]
+name = "zclaw-kernel"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+repository.workspace = true
+rust-version.workspace = true
+description = "ZCLAW kernel - central coordinator for all subsystems"
+
+[dependencies]
+zclaw-types = { workspace = true }
+zclaw-memory = { workspace = true }
+zclaw-runtime = { workspace = true }
+
+tokio = { workspace = true }
+tokio-stream = { workspace = true }
+futures = { workspace = true }
+serde = { workspace = true }
+serde_json = { workspace = true }
+thiserror = { workspace = true }
+uuid = { workspace = true }
+chrono = { workspace = true }
+tracing = { workspace = true }
+async-trait = { workspace = true }
+
+# Concurrency
+dashmap = { workspace = true }
+parking_lot = { workspace = true }
+
+# Secrets
+secrecy = { workspace = true }
+
+# Home directory
+dirs = { workspace = true }