Multiple Pages / Entries

// composer.json
{
    "require": {
        "php": "^7.2.0",
        "ext-iconv": "*",
        "composer/package-versions-deprecated": "^1.11", // 1.11.99
        "doctrine/doctrine-bundle": "^1.6", // 1.8.1
        "doctrine/doctrine-cache-bundle": "^1.2", // 1.3.2
        "doctrine/doctrine-fixtures-bundle": "~3.0", // 3.0.2
        "doctrine/doctrine-migrations-bundle": "^1.2", // v1.3.1
        "doctrine/orm": "^2.5", // v2.7.2
        "friendsofsymfony/jsrouting-bundle": "^2.2", // 2.2.0
        "friendsofsymfony/user-bundle": "dev-master", // dev-master
        "sensio/framework-extra-bundle": "^5.1", // v5.1.5
        "symfony/asset": "^4.0", // v4.0.4
        "symfony/console": "^4.0", // v4.0.4
        "symfony/flex": "^1.0", // v1.17.6
        "symfony/form": "^4.0", // v4.0.4
        "symfony/framework-bundle": "^4.0", // v4.0.4
        "symfony/lts": "^4@dev", // dev-master
        "symfony/monolog-bundle": "^3.1", // v3.1.2
        "symfony/polyfill-apcu": "^1.0", // v1.7.0
        "symfony/serializer-pack": "^1.0", // v1.0.1
        "symfony/swiftmailer-bundle": "^3.1", // v3.1.6
        "symfony/twig-bundle": "^4.0", // v4.0.4
        "symfony/validator": "^4.0", // v4.0.4
        "symfony/yaml": "^4.0", // v4.0.4
        "twig/twig": "2.10.*" // v2.10.0
    },
    "require-dev": {
        "symfony/debug-pack": "^1.0", // v1.0.4
        "symfony/dotenv": "^4.0", // v4.0.4
        "symfony/phpunit-bridge": "^4.0", // v4.0.4
        "symfony/web-server-bundle": "^4.0" // v4.0.4
    }
}

// package.json
{
    "devDependencies": {
        "@symfony/webpack-encore": "^0.19.0", // 0.19.0
        "bootstrap": "3", // 3.3.7
        "copy-webpack-plugin": "^4.4.1", // 4.4.1
        "font-awesome": "4", // 4.7.0
        "jquery": "^3.3.1", // 3.3.1
        "node-sass": "^4.7.2", // 4.7.2
        "sass-loader": "^6.0.6", // 6.0.6
        "sweetalert2": "^7.11.0", // 7.11.0
        "webpack-notifier": "^1.5.1" // 1.5.1
    }
}