storage: create new file for projected volumes

Move inline examples into the examples folder

content/en/examples/pods/storage/projected-secret-downwardapi-configmap.yaml

@@ -0,0 +1,35 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: volume-test
+spec:
+  containers:
+  - name: container-test
+    image: busybox
+    volumeMounts:
+    - name: all-in-one
+      mountPath: "/projected-volume"
+      readOnly: true
+  volumes:
+  - name: all-in-one
+    projected:
+      sources:
+      - secret:
+          name: mysecret
+          items:
+            - key: username
+              path: my-group/my-username
+      - downwardAPI:
+          items:
+            - path: "labels"
+              fieldRef:
+                fieldPath: metadata.labels
+            - path: "cpu_limit"
+              resourceFieldRef:
+                containerName: container-test
+                resource: limits.cpu
+      - configMap:
+          name: myconfigmap
+          items:
+            - key: config
+              path: my-group/my-config

content/en/examples/pods/storage/projected-secrets-nondefault-permission-mode.yaml

@@ -0,0 +1,27 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: volume-test
+spec:
+  containers:
+  - name: container-test
+    image: busybox
+    volumeMounts:
+    - name: all-in-one
+      mountPath: "/projected-volume"
+      readOnly: true
+  volumes:
+  - name: all-in-one
+    projected:
+      sources:
+      - secret:
+          name: mysecret
+          items:
+            - key: username
+              path: my-group/my-username
+      - secret:
+          name: mysecret2
+          items:
+            - key: password
+              path: my-group/my-password
+              mode: 511

content/en/examples/pods/storage/projected-service-account-token.yaml

@@ -0,0 +1,20 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: sa-token-test
+spec:
+  containers:
+  - name: container-test
+    image: busybox
+    volumeMounts:
+    - name: token-vol
+      mountPath: "/service-account"
+      readOnly: true
+  volumes:
+  - name: token-vol
+    projected:
+      sources:
+      - serviceAccountToken:
+          audience: api
+          expirationSeconds: 3600
+          path: token