Update and rename nginx-overview.json to nginx-logs.json

Author: ishanjainn

…inx-mixin/dashboards/nginx-overview.json nginx-mixin/dashboards/nginx-logs.jsonnginx-mixin/dashboards/nginx-overview.json renamed to nginx-mixin/dashboards/nginx-logs.json nginx-mixin/dashboards/nginx-overview.json renamed to nginx-mixin/dashboards/nginx-logs.json

@@ -2190,8 +2190,8 @@
     ]
   },
   "timezone": "",
-  "title": "Nginx access logs",
+  "title": "NGINX Logs",
   "uid": "T512JVH7z",
   "version": 4,
   "weekStart": ""
-}
+}