add api_not_found catcher for 404 errors in /api

src/api/mod.rs

@@ -10,6 +10,7 @@ use serde_json::Value;
 
 pub use crate::api::{
     admin::routes as admin_routes,
+    core::catchers as core_catchers,
     core::purge_sends,
     core::purge_trashed_ciphers,
     core::routes as core_routes,