Add /mls/public-keys to nginz (#2676)

* Add /mls/public-keys to nginz chart

* Add /mls/public-keys to demo conf

Author: pcapriotti

changelog.d/1-api-changes/add-mls-public-keys-to-nginz

@@ -0,0 +1 @@
+Add /mls/public-keys to nginz chart

charts/nginz/values.yaml

@@ -476,6 +476,9 @@ nginx_conf:
     - path: /mls/messages
       envs:
       - all
+    - path: /mls/public-keys
+      envs:
+      - all
     - path: /nonce/clients
       envs:
       - all

deploy/services-demo/conf/nginz/nginx.conf

@@ -421,6 +421,11 @@ http {
       proxy_pass http://galley;
     }
 
+    location /mls/public-keys {
+      include common_response_with_zauth.conf;
+      proxy_pass http://galley;
+    }
+
     # Gundeck Endpoints
 
     rewrite ^/api-docs/push  /push/api-docs?base_url=http://127.0.0.1:8080/ break;