feat: with agent db

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/churn-domain/src/lib.rs

@@ -42,3 +42,8 @@ impl LogEvent {
         }
     }
 }
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct Agent {
+    pub name: String,
+}