Add smart-proxy basic interface

Author: ShimShtein

nginx/common.d/60-smart-proxy.conf

@@ -0,0 +1,9 @@
+location /features {
+    default_type application/json;
+    return 200 '["insights"]';
+}
+
+location /v2/features {
+    default_type application/json;
+    return 200 '{ "insights": { "http_enabled": false, "https_enabled": true, "settings": {}, "state": "running", "capabilities": [] } }';
+}