add secret watcher to re-render templates

The Asterisk config is provided by a kubernetes secret. We are
adding support re-render the templates when a secret is updated.
This allow us to react much faster to configuration changes.

Closes #8.

Signed-off-by: Vinicius Ruoso <vinicius@leads2b.com>

Author: vkruoso

go.mod

@@ -1,12 +1,11 @@
 module github.com/CyCoreSystems/asterisk-config
 
+go 1.13
+
 require (
-	github.com/CyCoreSystems/kubetemplate v0.2.0
-	github.com/CyCoreSystems/netdiscover v1.2.4
-	github.com/golang/protobuf v1.3.2 // indirect
+	github.com/CyCoreSystems/kubetemplate v0.5.0
+	github.com/CyCoreSystems/netdiscover v1.2.6
+	github.com/ericchiang/k8s v1.2.0
 	github.com/nats-io/nuid v1.0.1
-	github.com/pkg/errors v0.8.1
-	golang.org/x/net v0.0.0-20190923162816-aa69164e4478 // indirect
+	github.com/pkg/errors v0.9.1
 )
-
-go 1.13