old_contents: import Authenticator from 'simple-auth-oauth2/authenticators/oauth2';
  
  export default Authenticator.extend({
      makeRequest: function (url, data) {
          data.client_id = 'ghost-admin';
          return this._super(url, data);
      }
  });
  
new_contents: import Ember from 'ember';
  import Authenticator from 'simple-auth-oauth2/authenticators/oauth2';
  
  export default Authenticator.extend({
      config: Ember.inject.service(),
      makeRequest: function (url, data) {
          data.client_id = this.get('config.clientId');
          data.client_secret = this.get('config.clientSecret');
          return this._super(url, data);
      }
  });
  
subject: Add dynamic client_id/client_secret