Adding a compilation test using the new event_logging flag

Author: JeremieRodon

lambda-appsync-proc/tests/pass/event_logging_option.rs

@@ -0,0 +1,6 @@
+mod no_run {
+    // Test with event_logging disabled
+    lambda_appsync::appsync_lambda_main!("../../../../schema.graphql", event_logging = false);
+}
+
+fn main() {}