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

crates/adapters/http-axum/src/html/render.rs

@@ -0,0 +1,14 @@
+use axum::{
+    http::StatusCode,
+    response::{Html, IntoResponse, Response},
+};
+
+pub fn render_page(template: impl askama::Template) -> Response {
+    match template.render() {
+        Ok(html) => Html(html).into_response(),
+        Err(e) => {
+            tracing::error!("template error: {e}");
+            StatusCode::INTERNAL_SERVER_ERROR.into_response()
+        }
+    }
+}