feat: 초기 도커(PHP 8.3, Nginx, MySQL) 환경 세팅

.devcontainer/devcontainer.json

@@ -0,0 +1,16 @@
+{
+  "name": "PHP-Nginx-MySQL Dev",
+  "dockerComposeFile": "docker-compose.yml",
+  "service": "app",
+  "workspaceFolder": "/var/www/html",
+  "shutdownAction": "stopCompose",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "bmewburn.vscode-intelephense-client",
+        "xdebug.php-debug",
+        "ms-azuretools.vscode-docker"
+      ]
+    }
+  }
+}