Extract some functions to the app module: preparation for integration tests.

backend/src/services/fragments.rs

@@ -7,7 +7,11 @@ use axum::{
 use serde::Deserialize;
 // use tracing::{event, Level};
 
-use crate::{Context, Result, data::db, html_templates::*};
+use crate::{
+    app::{Context, Result},
+    data::db,
+    html_templates::*,
+};
 
 #[derive(Deserialize)]
 pub struct CurrentRecipeId {