adding some code

sys0-code/install/create_db.php

@@ -0,0 +1,33 @@
+<?php
+include "../config/config_install.php";
+$sql = "CREATE DATABASE IF NOT EXISTS $DB_DATABASE";
+	if ($conn->query($sql) === TRUE) {
+		echo '<br><div class="alert alert-success" role="alert">Database created successfully!</div>';
+	} else {
+		$success=0;
+		echo '<br><div class="alert alert-danger" role="alert">
+				Error creating database: ' . $conn->error .'
+		</div>';
+	}
+$conn->close();
+
+include "../config/config.php";
+//create tables used by sys0
+// Create user table
+$sql = "CREATE TABLE IF NOT EXISTS users (
+	id INT AUTO_INCREMENT PRIMARY KEY,
+	username VARCHAR(255) NOT NULL,
+	password VARCHAR(255),
+	role VARCHAR(255),
+	created_at DATETIME,
+	keepmeloggedin VARCHAR(255),
+	color VARCHAR(50),
+	banned INT,
+	banned_reason VARCHAR(255),
+	telegram_id VARCHAR(50),
+	notification_way INT,
+	notification_mail INT,
+	notification_telegram INT
+	)";
+$link->query($sql);
+?>