Add more info to Chart file (#9)

Author: mstiri

charts/kube-cert-acm/Chart.yaml

@@ -21,3 +21,11 @@ version: 0.0.2
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
 appVersion: 0.0.2
+
+keywords:
+  - letsencrypt
+  - tls
+  - certificates
+  - aws-certificate-manager
+sources:
+  - https://github.com/mstiri/kube-cert-acm