update Cargo.toml

signal-gateway-assistant/Cargo.toml

@@ -1,7 +1,14 @@
 [package]
 name = "signal-gateway-assistant"
 version = "0.1.0"
+description = "AI assistant traits and types for signal-gateway"
+keywords = ["signal", "assistant", "ai", "chatbot"]
+categories = ["asynchronous"]
+authors.workspace = true
+repository.workspace = true
+license.workspace = true
 edition.workspace = true
+include.workspace = true
 
 [lints]
 workspace = true