add example for creating db

README.md

@@ -4,7 +4,12 @@ This script automates installing Wordpress with all specific BIJ1 plugins,
 template and Advanced Custom Fields settings.
 
 Steps:
-- First you have to setup a database.
+- First you have to setup a database, e.g. for MariaDB/MySQL:
+  - ```sql
+    DROP DATABASE IF EXISTS $db;
+    CREATE DATABASE $db CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+    GRANT ALL PRIVILEGES ON $db.* TO '$WORDPRESS_DB_USER';
+    ```
 - Start the installer by running `./install.sh` in your web folder.
 - Note down the bij1admin password that's generated during installation.
 - Tweak the BIJ1 specific settings in wp-config.php.