Move to multi crates project

Starting impl devcontainer spec

Cargo.lock

@@ -490,6 +490,18 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "devcontainer-rs"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "serde",
+ "serde_json",
+ "tempfile",
+ "thiserror 2.0.18",
+ "tokio",
+]
+
 [[package]]
 name = "dispatch2"
 version = "0.3.1"
@@ -787,12 +799,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed5909b6e89a2db4456e54cd5f673791d7eca6732202bbf2a9cc504fe2f9b84a"
 
 [[package]]
-name = "herald"
-version = "1.1.0"
+name = "herald-server"
+version = "1.2.0"
 dependencies = [
  "anyhow",
  "axum",
  "bytes",
+ "devcontainer-rs",
  "dotenvy",
  "futures-util",
  "hex",