refactor: remove loco-rs

apps/recorder/src/app/core.rs

@@ -0,0 +1,15 @@
+use std::sync::Arc;
+
+use super::{builder::AppBuilder, context::AppContext, router::AppRouter};
+
+pub struct App {
+    pub context: Arc<AppContext>,
+    pub builder: AppBuilder,
+    pub router: AppRouter,
+}
+
+impl App {
+    pub fn builder() -> AppBuilder {
+        AppBuilder::default()
+    }
+}