Move to multi crates project

Starting impl devcontainer spec

Cargo.toml

@@ -1,12 +1,11 @@
-[package]
-name = "herald"
-version = "1.1.0"
-edition = "2024"
+[workspace]
+members = [
+    "crates/herald-server",
+    "crates/devcontainer-rs",
+]
+resolver = "3"
 
-[profile.release]
-debug = 1
-
-[dependencies]
+[workspace.dependencies]
 reqwest = { version = "0.12", default-features = false, features = ["json", "rustls-tls"] }
 tokio = { version = "1.53", features = ["full"] }
 tokio-stream = "0.1"
@@ -19,9 +18,9 @@ sentry-anyhow = { version = "0.48", features = ["backtrace"] }
 openrouter-rs = "0.12"
 dotenvy = "0.15"
 tower = "0.5"
-tower-http = {version = "0.6", features = ["trace"] }
+tower-http = { version = "0.6", features = ["trace"] }
 tracing = "0.1"
-tracing-subscriber = { version = "0.3", features=["env-filter"] }
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }
 axum = "0.8"
 anyhow = { version = "1.0", features = ["backtrace"] }
 thiserror = "2.0"
@@ -30,3 +29,6 @@ hex = "0.4"
 bytes = "1.1"
 metrics = "0.24"
 metrics-exporter-prometheus = { version = "0.18", default-features = false, features = ["http-listener"] }
+
+[profile.release]
+debug = 1