Add the ExitAction enum.

source/config/exit_action.rs

@@ -0,0 +1,11 @@
+//! Action to take on hook exit.
+
+use serde::{Deserialize, Serialize};
+
+/// Action to take on hook exit.
+#[derive(Debug, Deserialize, Serialize)]
+#[serde(rename_all = "lowercase")]
+pub enum ExitAction {
+  Continue,
+  Stop,
+}

source/config/mod.rs

@@ -7,9 +7,11 @@ use {
   serde::{Deserialize, Serialize},
 };
 
+mod exit_action;
 mod general;
 mod task;
 
+pub use exit_action::*;
 pub use general::*;
 pub use task::*;