title: composer place git repo to a custom path
body: <p>How to place git repo to a custom path? I am using composer/Installer. and I have develop a module on git repo. I would like to add it to composer.json but after pull it should be placed web/modules/custom directory. How can i do that.</p>
  
  <p>I added this parts in my composer.json</p>
  
  <pre><code>"repositories": [
      {
          "type": "vcs",
          "url": "https://github.com/miteshmap/axelerant_custom"
      }
  ],
  "require": {
      "miteshmap/axelerant_custom": "*"
  },
  "extra": {
      "installer-paths": {
          "web/core": ["type:drupal-core"],
          "web/modules/contrib/{$name}": ["type:drupal-module"],
          "web/modules/custom/{$name}": ["type:drupal-module"],
          "web/profiles/contrib/{$name}": ["type:drupal-profile"],
          "web/themes/contrib/{$name}": ["type:drupal-theme"],
          "drush/contrib/{$name}": ["type:drupal-drush"]
      }
  }
  </code></pre>