Display app version for administrators

src/controllers/settings_controller.rs

@@ -17,6 +17,7 @@ pub(crate) struct BaseSettingsPage {
     pub app_name: &'static str,
     pub is_admin: bool,
     pub user_name: String,
+    pub version: &'static str,
 }
 
 impl BaseSettingsPage {
@@ -29,6 +30,7 @@ impl BaseSettingsPage {
             app_name: APP_NAME,
             is_admin: user.admin,
             user_name: user.username.to_string(),
+            version: env!("CARGO_PKG_VERSION"),
         }
     }
 }