Add datasources

Author: ioanarm

tests/provisioning/datasources/datasources.yaml

@@ -8,3 +8,15 @@ datasources:
     access: proxy
     url: http://prometheus:9090
     isDefault: true
+  - name: DigitalOcean demo
+    id: 2
+    uid: digitalocean
+    type: prometheus
+    access: proxy
+    url: http://demo.do.prometheus.io:9090
+  - name: Prom Labs
+    id: 3
+    uid: promlabs
+    type: prometheus
+    access: proxy
+    url: http://demo.promlabs.com:9090