Add TuxiNet branding and document templates

database/migrations/2024_01_01_000001_create_customers_table.php

@@ -0,0 +1,15 @@
+<?php
+
+use PDO;
+
+return function (PDO $pdo): void {
+    $pdo->exec(<<<SQL
+        CREATE TABLE customers (
+            id INT UNSIGNED AUTO_INCREMENT PRIMARY KEY,
+            name VARCHAR(255) NOT NULL,
+            orgno VARCHAR(100) NOT NULL,
+            billing_email VARCHAR(255) NOT NULL,
+            created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+        ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci;
+    SQL);
+};