feat(errors): add stable error propagation

firmware/libs/kaptan-err-propagate-macros/tests/ui/duplicate_id.rs

@@ -0,0 +1,13 @@
+extern crate self as kaptan_err_propagate;
+
+use kaptan_err_propagate_macros::KaptanError;
+
+#[derive(Debug, KaptanError)]
+enum DuplicateId {
+    #[kaptan_error(id = 42)]
+    First,
+    #[kaptan_error(id = 42)]
+    Second,
+}
+
+fn main() {}