feat(chaos): add StressChaos experiment template

chaos/stress-cpu.yaml

@@ -0,0 +1,21 @@
+apiVersion: chaos-mesh.org/v1alpha1
+kind: StressChaos
+metadata:
+  name: stress-cpu-vote
+  namespace: demo-apps
+  labels:
+    app: vote
+    app.kubernetes.io/managed-by: backstage
+spec:
+  mode: one
+  selector:
+    namespaces:
+      - demo-apps
+    labelSelectors:
+      app: vote
+  stressors:
+    cpu:
+      workers: 1
+    memory:
+      size: "256MB"
+  duration: "30s"