upload default alloy configuration for loki-kubernetes

alloy-kube-loki-default.alloy

@@ -0,0 +1,19 @@
+discovery.kubernetes "kube_system_pods" {
+    role = "pod"
+    
+    namespaces {
+        names = ["kube-system"]
+    }
+}
+
+loki.source.kubernetes "kube_system_pods" {
+    targets    = discovery.kubernetes.kube_system_pods.targets
+    forward_to = [loki.write.loki_instance.receiver]
+}
+
+loki.write "loki_instance" {
+  endpoint {
+    url = "<LOKI_ENDPOINT>"
+  }
+}
+