feat: add winreg dependency for Windows target support in codex crate

Author: milisp

Cargo.lock

@@ -24,4 +24,7 @@ codex-protocol = { workspace = true }
 codex-app-server-protocol = { workspace = true }
 
 codexia-shared = { path = "../shared" }
-codexia-db = { path = "../db" }
+codexia-db = { path = "../db" }
+
+[target.'cfg(target_os = "windows")'.dependencies]
+winreg = "0.52"