old_contents: module.exports = {
      port: process.env.PORT || 9000,
  
      mongo: {
          url: process.env.MONGOLAB_URI || 'mongodb://localhost/scraping-challenge',
      },
  
      assets: {
          path: 'assets',
      },
  
      template: {
          viewPath: 'app',
          defaultLayout: 'template/index.tpl',
      },
  
      pagination: {
          size: 2,
      },
  
      useragent: {
          pattern: /chrome/i,
      },
  
      scrapoxy: {
          max_requests: 30,
          unban_delay: 2 * 60 * 1000,
      },
  
      scrapoxy_adv: {
          max_requests: 4,
          unban_delay: 2 * 60 * 1000,
      },
  
      jwt: {
          secret: 'Kkbxz1Thpi87u91gHNXO4Mt4YD58rW8e',
          expiresIn: '10m',
      },
  };
  
new_contents: module.exports = {
      port: process.env.PORT || 9000,
  
      mongo: {
          url: process.env.MONGOLAB_URI || 'mongodb://localhost/scraping-challenge',
      },
  
      assets: {
          path: 'assets',
      },
  
      template: {
          viewPath: 'app',
          defaultLayout: 'template/index.tpl',
      },
  
      pagination: {
          size: 2,
      },
  
      useragent: {
          pattern: /chrome/i,
      },
  
      scrapoxy: {
          max_requests: 30,
          unban_delay: 2 * 60 * 1000,
      },
  
      scrapoxy_adv: {
          max_requests: 15,
          unban_delay: 2 * 60 * 1000,
      },
  
      jwt: {
          secret: 'Kkbxz1Thpi87u91gHNXO4Mt4YD58rW8e',
          expiresIn: '10m',
      },
  };
  
subject: change nb of request for scrapoxy adv