Modifies knctl task according to the new reorg proposal

**NOTE: This only modifies the content of the yaml, changing
        the location of the file will be done in a different
        commit to make review easier

Changes include:
  - adds version label
  - adds a minimum pipeline versions supported by the task
  - adds tags for task
  - adds display name for task
  - modified description to add a summary

Issue: tektoncd#386

Signed-off-by: Shiv Verma <[email protected]>

knctl/knctl-deploy.yaml

@@ -2,28 +2,39 @@ apiVersion: tekton.dev/v1beta1
 kind: Task
 metadata:
   name: knctl-deploy
+  labels:
+    app.kubernetes.io/version: "0.1"
+  annotations:
+    tekton.dev/pipelines.minVersion: "0.12.1"
+    tags: deploy
+    displayName: "knctl deploy"
 spec:
+  description: >-
+    This Task deploys (or update) a Knative service.
+
+    It uses knctl for that, and supports only the deploy subcommand as of today.
+
   params:
-  - name: service
-    description: Name of the service to deploy
+    - name: service
+      description: Name of the service to deploy
   resources:
     inputs:
-    - name: image
-      type: image
+      - name: image
+        type: image
   steps:
-  # the first step is required as knctl doesn't support inCluster configuration.
-  - name: kubeconfig
-    image: gcr.io/cloud-builders/kubectl  # it is huge
-    command: ["/bin/bash"]
-    args:
-    - -c
-    - mkdir -p /tekton/home/.kube; kubectl config view > /tekton/home/.kube/config
-  - name: rollout
-    image: quay.io/openshift-pipeline/knctl
-    command: ["/usr/bin/knctl"]
-    args:
-    - deploy
-    - --service
-    - $(params.service)
-    - --image
-    - $(resources.inputs.image.url)
+    # the first step is required as knctl doesn't support inCluster configuration.
+    - name: kubeconfig
+      image: gcr.io/cloud-builders/kubectl # it is huge
+      command: ["/bin/bash"]
+      args:
+        - -c
+        - mkdir -p /tekton/home/.kube; kubectl config view > /tekton/home/.kube/config
+    - name: rollout
+      image: quay.io/openshift-pipeline/knctl
+      command: ["/usr/bin/knctl"]
+      args:
+        - deploy
+        - --service
+        - $(params.service)
+        - --image
+        - $(resources.inputs.image.url)