ui: split out the app struct into a new ui mod

src/scene/mod.rs

@@ -39,7 +39,7 @@ pub struct Scenery {
 pub struct Scene {
     reply_options: GeneratedResponses,
     conversation: Vec<ConversationEntry>,
-    pub direction: StageDirection,
+    direction: StageDirection,
     pub tokens_consumed: usize,
     scenery: Scenery
 }
@@ -55,6 +55,10 @@ impl Scene {
         }
     }
 
+    pub fn direction(&self) -> &StageDirection {
+        &self.direction
+    }
+
     pub fn scenery(&self) -> &Scenery {
         &self.scenery
     }