Add sample using pod spec overrides

Signed-off-by: Angel Misevski <amisevsk@redhat.com>

samples/pod-spec-overrides.yaml

@@ -0,0 +1,37 @@
+kind: DevWorkspace
+apiVersion: workspace.devfile.io/v1alpha2
+metadata:
+  name: theia-next
+spec:
+  started: true
+  pods:
+    metadata:
+      annotations:
+        io.openshift.userns: "true"
+        io.kubernetes.cri-o.userns-mode: "auto:size=65536;map-to-root=true"  # <-- user namespace
+        openshift.io/scc: container-build
+    spec:
+      runtimeClassName: kata
+      schedulerName: stork
+  template:
+    projects:
+      - name: web-nodejs-sample
+        git:
+          remotes:
+            origin: "https://github.com/che-samples/web-nodejs-sample.git"
+    components:
+      - name: theia
+        plugin:
+          uri: https://che-plugin-registry-main.surge.sh/v3/plugins/eclipse/che-theia/next/devfile.yaml
+          components:
+            - name: theia-ide
+              container:
+                env:
+                  - name: THEIA_HOST
+                    value: 0.0.0.0
+    commands:
+      - id: say-hello
+        exec:
+          component: theia-ide
+          commandLine: echo "Hello from $(pwd)"
+          workingDir: ${PROJECTS_ROOT}/project/app