Add service_error module for error handling

apps/api/src/errors.rs

@@ -0,0 +1 @@
+pub mod service_error;

apps/api/src/errors/service_error.rs

@@ -0,0 +1,14 @@
+pub type ServiceError = Box<dyn std::error::Error + Send + Sync>;
+
+pub trait IntoServiceError {
+    fn into_service_error(self) -> ServiceError;
+}
+
+impl<T> IntoServiceError for T
+where
+    T: std::error::Error + Send + Sync + 'static,
+{
+    fn into_service_error(self) -> ServiceError {
+        Box::new(self)
+    }
+}