utilize async processing for console and child exit events

shared/src/lib.rs

@@ -25,9 +25,15 @@ pub struct LaunchNetwork {
     pub resolver: LaunchNetworkResolver,
 }
 
+#[derive(Serialize, Deserialize, Debug)]
+pub struct LaunchChannels {
+    pub exit: String,
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 pub struct LaunchInfo {
     pub network: Option<LaunchNetwork>,
     pub env: Option<Vec<String>>,
     pub run: Option<Vec<String>>,
+    pub channels: LaunchChannels,
 }