Add example policy

Author: bjee19

examples/upstream-settings-policy/README.md

@@ -0,0 +1,4 @@
+# UpstreamSettingsPolicy
+
+This directory contains example YAMLs for testing the UpstreamSettingsPolicy CRD. Eventually, this will be converted
+into a how-to-guide.

examples/upstream-settings-policy/upstream-settings-policy.yaml

@@ -0,0 +1,15 @@
+apiVersion: gateway.nginx.org/v1alpha1
+kind: UpstreamSettingsPolicy
+metadata:
+  name: upstream-settings-policy
+spec:
+  zoneSize: 512k
+  targetRefs:
+    - group: core
+      kind: Service
+      name: service
+  keepAlive:
+    connections: 32
+    requests: 1001
+    time: 300s
+    timeout: 60s