Add traffic weight to canary status

- show current weight on kubectl get canaries and kubectl get all

artifacts/flagger/crd.yaml

@@ -19,6 +19,8 @@ spec:
     plural: canaries
     singular: canary
     kind: Canary
+    categories:
+      - all
   scope: Namespaced
   subresources:
     status: {}
@@ -26,6 +28,9 @@ spec:
     - name: Status
       type: string
       JSONPath: .status.phase
+    - name: Weight
+      type: string
+      JSONPath: .status.canaryWeight
     - name: LastTransitionTime
       type: string
       JSONPath: .status.lastTransitionTime