Update admin password in .env and adjust userlevel default in SQL initialization script

docker/mariadb/init/01-init.sql

@@ -22,7 +22,7 @@ BEGIN
       '` (',
       '`id` INT(11) NOT NULL AUTO_INCREMENT,',
       '`datum` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,',
-      '`userlevel` INT(1) NOT NULL',
+      '`userlevel` INT(1) DEFAULT NULL',
       value_columns,
       ', PRIMARY KEY (`id`)',
       ') ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;'
@@ -64,5 +64,5 @@ FLUSH PRIVILEGES;
 
 
 CREATE USER IF NOT EXISTS 'wago'@'%' IDENTIFIED BY '3112';
-GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER, INDEX ON `wago`.* TO 'wago'@'%';
+GRANT SELECT, INSERT, UPDATE, DELETE, CREATE, ALTER, INDEX ON * . * TO 'wago'@'%' IDENTIFIED BY '3112';
 FLUSH PRIVILEGES;