Initial checkin: Quarkus Google Cloud JSON Logging.

Change-Id: I264211f56c2bed4002ecdb6ead8a5321ada855fd
diff --git a/runtime/src/main/java/eu/mulk/quarkus/observability/googlecloud/jsonlogging/KeyValueParameter.java b/runtime/src/main/java/eu/mulk/quarkus/observability/googlecloud/jsonlogging/KeyValueParameter.java
new file mode 100644
index 0000000..358e470
--- /dev/null
+++ b/runtime/src/main/java/eu/mulk/quarkus/observability/googlecloud/jsonlogging/KeyValueParameter.java
@@ -0,0 +1,3 @@
+package eu.mulk.quarkus.observability.googlecloud.jsonlogging;
+
+public record KeyValueParameter(String key, Object value) {}