Add db_config.php for init database connection

Author: esmaeel

example/db_config.php

@@ -0,0 +1,38 @@
+<?php
+
+use Dotenv\Dotenv;
+use React\EventLoop\Loop;
+use Saraf\QB\QueryBuilder\Core\DBFactory;
+use Saraf\QB\QueryBuilder\Facades\Database;
+
+$loop = Loop::get();
+
+// Environments
+$env = Dotenv::createImmutable(__DIR__ . "/../");
+$env->load();
+
+// Env Loader
+$DB_NAME = $_ENV['DB_NAME'];
+$DB_USER = $_ENV['DB_USER'];
+$DB_PASS = $_ENV['DB_PASS'];
+$DB_HOST = $_ENV['DB_HOST'];
+$DB_PORT_READ = $_ENV['DB_PORT_READ'];
+$DB_PORT_WRITE = $_ENV['DB_PORT_WRITE'];
+
+
+
+Database::initConnection(
+    new DBFactory(
+        $loop,
+        $DB_HOST,
+        $DB_NAME,
+        $DB_USER,
+        $DB_PASS,
+        $DB_PORT_WRITE,
+        $DB_PORT_READ,
+        5,
+        5,
+        2,
+        2
+    )
+);