Add simple redirection for adminer

etc/nginx/common/locations.conf

@@ -72,3 +72,8 @@ location /phpMyAdmin {
 location /phpmyadmin {
 	return 301 https://$host:22222/db/pma;
 }
+
+# Adminer Settings
+location /adminer {
+        return 301 https://$host:22222/db/adminer;
+}