[kube-prometheus-stack] Add Artifact Hub annotations for named links …

…and operator search facet (prometheus-community#95)

* Add newly supported Artifact Hub annotations for named links and operator search facet

See: artifacthub/hub#634

Signed-off-by: Scott Rigby <scott@r6by.com>

* Change artifacthub.io/operator from bool to quoted string

Signed-off-by: Scott Rigby <scott@r6by.com>

Chart.yaml

@@ -15,12 +15,20 @@ maintainers:
     email: miroslav.hadzhiev@gmail.com
 name: kube-prometheus-stack
 sources:
+  - https://github.com/prometheus-community/helm-charts
   - https://github.com/prometheus-operator/kube-prometheus
-  - https://github.com/prometheus-operator/prometheus-operator
-version: 9.4.1
+version: 9.4.2
 appVersion: 0.38.1
 tillerVersion: ">=2.12.0"
 home: https://github.com/prometheus-operator/kube-prometheus
 keywords:
 - operator
 - prometheus
+- kube-prometheus
+annotations:
+  "artifacthub.io/operator": "true"
+  "artifacthub.io/links": |
+    - name: Chart Source
+      url: https://github.com/prometheus-community/helm-charts
+    - name: Upstream Project
+      url: https://github.com/prometheus-operator/kube-prometheus