Added Index library to Uiharu.

uiharu.php

@@ -0,0 +1,40 @@
+<?php
+namespace Uiharu;
+
+use Index\Autoloader;
+use Index\Environment;
+use Index\Data\ConnectionFailedException;
+use Index\Data\DbTools;
+
+define('UIH_STARTUP', microtime(true));
+define('UIH_ROOT', __DIR__);
+define('UIH_DEBUG', is_file(UIH_ROOT . '/.debug'));
+define('UIH_PUBLIC', UIH_ROOT . '/public');
+define('UIH_SOURCE', UIH_ROOT . '/src');
+define('UIH_LIBRARY', UIH_ROOT . '/lib');
+define('UIH_VERSION', '20220714');
+define('UIH_SEM_NAME', 'U');
+define('UIH_SEM_PATH', sys_get_temp_dir() . DIRECTORY_SEPARATOR . 'uiharu');
+
+require_once UIH_LIBRARY . '/index/index.php';
+
+Autoloader::addNamespace(__NAMESPACE__, UIH_SOURCE);
+Environment::setDebug(UIH_DEBUG);
+
+mb_internal_encoding('utf-8');
+date_default_timezone_set('utc');
+
+$configPath = UIH_ROOT . '/config.ini';
+if(!is_file($configPath))
+    die('Uiharu configuration is missing.');
+
+Config::load($configPath);
+if(!Config::has('Database', 'dsn'))
+    die('Uiharu database is not configured.');
+
+try {
+    $db = DbTools::create(Config::get('Database', 'dsn'));
+} catch(ConnectionFailedException $ex) {
+    echo '<h3>Unable to connect to database</h3>';
+    die($ex->getMessage());
+}