chore: prepares for stage3/step1

src/main.rs

@@ -1,6 +1,7 @@
 mod db;
 mod io_utils;
 mod models;
+mod navigator;
 mod ui;
 
 fn main() {

src/ui/pages/mod.rs

@@ -1,3 +1,4 @@
+use std::any::Any;
 use std::rc::Rc;
 
 use anyhow::anyhow;
@@ -13,6 +14,7 @@ use page_helpers::*;
 pub trait Page {
     fn draw_page(&self) -> Result<()>;
     fn handle_input(&self, input: &str) -> Result<Option<Action>>;
+    fn as_any(&self) -> &dyn Any;
 }
 
 pub struct HomePage {
@@ -52,6 +54,9 @@ impl Page for HomePage {
             ),
         }
     }
+    fn as_any(&self) -> &dyn Any {
+        self
+    }
 }
 
 pub struct EpicDetail {
@@ -126,6 +131,9 @@ impl Page for EpicDetail {
             ),
         }
     }
+    fn as_any(&self) -> &dyn Any {
+        self
+    }
 }
 
 pub struct StoryDetail {
@@ -174,6 +182,9 @@ impl Page for StoryDetail {
             _ => Ok(None),
         }
     }
+    fn as_any(&self) -> &dyn Any {
+        self
+    }
 }
 
 #[cfg(test)]