Add .gitignore and project files

config/database.php

@@ -0,0 +1,32 @@
+<?php
+// config/database.php
+class Database {
+    private static $instance = null;
+    private $connection;
+
+    private function __construct() {
+        try {
+            $this->connection = new PDO(
+                "pgsql:host=localhost;dbname=aeterna_db;",
+                "postgres",
+                "1234"
+            );
+            $this->connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+            $this->connection->exec("SET NAMES 'utf8'");
+        } catch(PDOException $e) {
+            die("Ошибка подключения: " . $e->getMessage());
+        }
+    }
+
+    public static function getInstance() {
+        if (self::$instance == null) {
+            self::$instance = new Database();
+        }
+        return self::$instance;
+    }
+
+    public function getConnection() {
+        return $this->connection;
+    }
+}
+?>