clean up dependencies

Cargo.toml

@@ -2,5 +2,25 @@
 members = ["api", "server", "examples/simple_producer", "examples/simple_command"]
 resolver = "2"
 
+[workspace.dependencies]
+actix-web = "4.12.1"
+actix-ws = "0.3.0"
+anyhow = "1.0.100"
+chrono = { version = "0.4.42" }
+derive_more = { version = "2.1.1" }
+fern = "0.7.1"
+futures-util = "0.3.31"
+log = "0.4.29"
+num-traits = "0.2.19"
+papaya = "0.2.3"
+serde = { version = "1.0.228" }
+serde_json = "1.0.148"
+sqlx = "0.8.6"
+thiserror = "2.0.17"
+tokio = { version = "1.48.0" }
+tokio-tungstenite = { version = "0.28.0" }
+tokio-util = "0.7.17"
+uuid = { version = "1.19.0", features = ["v4"] }
+
 [profile.dev.package.sqlx-macros]
 opt-level = 3