refactor: http-axum split into api/html/federation modules, router.rs, templates per page group

crates/adapters/http-axum/src/openapi/insights.rs

@@ -2,7 +2,7 @@ use utoipa::OpenApi;
 
 #[derive(OpenApi)]
 #[openapi(
-    paths(crate::handlers::insights::get_insights,),
+    paths(crate::api::insights::get_insights,),
     components(schemas(api_types::insights::InsightsResponse, api_types::insights::InsightDto,))
 )]
 pub struct InsightsDoc;