Move all composer files inside the common directory

- 2022년 3월 개발팀 결정사항 적용
- 모듈 등 서드파티 자료 개발시 composer를 사용하면 상위 경로에 있는 코어의
  composer.json을 수정하고, 코어의 vendor 디렉토리를 건드리는 것이 기본값임
- 이를 방지하기 위해 코어의 composer.json과 vendor를 common 디렉토리 안으로
  이동하여, 모듈 경로에서 상위 폴더로 인식하지 않도록 함

common/vendor/composer/autoload_psr4.php

@@ -0,0 +1,30 @@
+<?php
+
+// autoload_psr4.php @generated by Composer
+
+$vendorDir = dirname(dirname(__FILE__));
+$baseDir = dirname($vendorDir);
+
+return array(
+    'enshrined\\svgSanitize\\' => array($vendorDir . '/enshrined/svg-sanitize/src'),
+    'TrueBV\\' => array($vendorDir . '/true/punycode/src'),
+    'Symfony\\Polyfill\\Php72\\' => array($vendorDir . '/symfony/polyfill-php72'),
+    'Symfony\\Polyfill\\Mbstring\\' => array($vendorDir . '/symfony/polyfill-mbstring'),
+    'Symfony\\Polyfill\\Intl\\Normalizer\\' => array($vendorDir . '/symfony/polyfill-intl-normalizer'),
+    'Symfony\\Polyfill\\Intl\\Idn\\' => array($vendorDir . '/symfony/polyfill-intl-idn'),
+    'Symfony\\Polyfill\\Iconv\\' => array($vendorDir . '/symfony/polyfill-iconv'),
+    'ScssPhp\\ScssPhp\\' => array($vendorDir . '/scssphp/scssphp/src'),
+    'Psr\\Http\\Message\\' => array($vendorDir . '/psr/http-factory/src', $vendorDir . '/psr/http-message/src'),
+    'Psr\\Http\\Client\\' => array($vendorDir . '/psr/http-client/src'),
+    'Nurigo\\' => array($vendorDir . '/coolsms/php-sdk/app/Nurigo'),
+    'Michelf\\' => array($vendorDir . '/michelf/php-markdown/Michelf'),
+    'MatthiasMullie\\PathConverter\\' => array($vendorDir . '/matthiasmullie/path-converter/src'),
+    'MatthiasMullie\\Minify\\' => array($vendorDir . '/matthiasmullie/minify/src'),
+    'League\\HTMLToMarkdown\\' => array($vendorDir . '/league/html-to-markdown/src'),
+    'GuzzleHttp\\Psr7\\' => array($vendorDir . '/guzzlehttp/psr7/src'),
+    'GuzzleHttp\\Promise\\' => array($vendorDir . '/guzzlehttp/promises/src'),
+    'GuzzleHttp\\' => array($vendorDir . '/guzzlehttp/guzzle/src'),
+    'Egulias\\EmailValidator\\' => array($vendorDir . '/egulias/email-validator/src'),
+    'Doctrine\\Common\\Lexer\\' => array($vendorDir . '/doctrine/lexer/lib/Doctrine/Common/Lexer'),
+    'Composer\\CaBundle\\' => array($vendorDir . '/composer/ca-bundle/src'),
+);