change application name and deployment location

cluster/applications/signal-cli/namespace.yaml

@@ -0,0 +1,11 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: signal-cli
+  labels:
+    app.kubernetes.io/name: signal-cli
+    app.kubernetes.io/component: messaging-gateway
+    theme: epcot
+    pod-security.kubernetes.io/enforce: baseline
+    pod-security.kubernetes.io/audit: baseline
+    pod-security.kubernetes.io/warn: baseline