chore(infra): Add permanent redirect to the new domain

Author: alepefe

nginx/nginx.conf

@@ -22,6 +22,13 @@ http {
     gzip on;
     gzip_types text/plain text/css application/json application/javascript text/xml application/xml application/xml+rss text/javascript;
 
+    server {
+        listen $PORT;
+        listen [::]:$PORT;
+        server_name wetlands-gap-map-staging-b3fdd14996a5.herokuapp.com www.wetlands-gap-map-staging-b3fdd14996a5.herokuapp.com;
+        return 301 https://gaps-staging.wetlands.org$request_uri;
+    }
+
     server {
         listen $PORT;
         listen  [::]:$PORT;