Composer.json file (/social_feed/) before running generate

composer.json

{
    "name": "drupal/social_feed",
    "type": "drupal-module",
    "description": "Provides user an option to easily fetch feeds from Facebook, Twitter or Instagram and then display them accordingly using block",
    "keywords": ["Drupal"],
    "license": "GPL-2.0+",
    "homepage": "https://www.drupal.org/project/social_feed",
    "minimum-stability": "dev",
    "support": {
        "issues": "https://www.drupal.org/project/issues/social_feed",
        "source": "https://cgit.drupalcode.org/social_feed"
    },
    "require": {
        "abraham/twitteroauth": "^0.7.2",
        "facebook/graph-sdk": "^5.4.4",
        "cosenary/instagram": "v2.3",
        "nesbot/carbon": "^1.26"
    },
    "extra": {
        "drush": {
            "services": {
                "drush.services.yml": "^9"
            }
        }
    }
}