*: add example for disabling NetworkPolicies

(cherry picked from commit b4bf38ba6c0f4ad34bc080b0c655454c3ab1fbdb)
(cherry picked from commit c21bf4fbfa478fd163c091054d9fcc98836d7045)

examples/networkpolicies-disabled.jsonnet

+local kp = (import 'kube-prometheus/main.libsonnet') +
+           (import 'kube-prometheus/addons/networkpolicies-disabled.libsonnet') + {
+  values+:: {
+    common+: {
+      namespace: 'monitoring',
+    },
+  },
+};
+
+{
+  ['setup/' + resource]: kp[component][resource]
+  for component in std.objectFields(kp)
+  for resource in std.filter(
+    function(resource)
+      kp[component][resource].kind == 'CustomResourceDefinition' || kp[component][resource].kind == 'Namespace', std.objectFields(kp[component])
+  )
+} +
+{
+  [component + '-' + resource]: kp[component][resource]
+  for component in std.objectFields(kp)
+  for resource in std.filter(
+    function(resource)
+      kp[component][resource].kind != 'CustomResourceDefinition' && kp[component][resource].kind != 'Namespace', std.objectFields(kp[component])
+  )
+}

jsonnet/kube-prometheus/addons/networkpolicies-disabled.libsonnet

+// Disables creation of NetworkPolicies
+
+{
+  blackboxExporter+: {
+    networkPolicies:: {},
+  },
+
+  kubeStateMetrics+: {
+    networkPolicies:: {},
+  },
+
+  nodeExporter+: {
+    networkPolicies:: {},
+  },
+
+  prometheusAdapter+: {
+    networkPolicies:: {},
+  },
+
+  alertmanager+: {
+    networkPolicies:: {},
+  },
+
+  grafana+: {
+    networkPolicies:: {},
+  },
+
+  prometheus+: {
+    networkPolicies:: {},
+  },
+
+  prometheusOperator+: {
+    networkPolicies:: {},
+  },
+}