Add missing provisioning directories (#183)

Folders provisioning/dashboards and provisioning/notifiers should also exist, as per https://grafana.com/docs/administration/provisioning/

Author: gjulianm

tasks/configure.yml

@@ -10,6 +10,8 @@
     - "/etc/grafana/datasources"
     - "/etc/grafana/provisioning"
     - "/etc/grafana/provisioning/datasources"
+    - "/etc/grafana/provisioning/dashboards"
+    - "/etc/grafana/provisioning/notifiers"
 
 - name: Create grafana main configuration file
   template: