Chronos exporter: Added demo alert file to helm chart

Change-Id: Iea692517754d1f7bc2f95f5d47bb570a2b0cfe5c
diff --git a/chronos-exporter/Chart.yaml b/chronos-exporter/Chart.yaml
index 081f3c7..afffe47 100644
--- a/chronos-exporter/Chart.yaml
+++ b/chronos-exporter/Chart.yaml
@@ -7,8 +7,8 @@
 description: Chronos Exporter

 kubeVersion: ">=1.15.0"

 type: application

-version: 0.0.18

-appVersion: v0.0.16

+version: 0.0.19

+appVersion: v0.0.17

 keywords:

   - aether

   - exporter