code: function _migrateAddonInitializers(project) {
    project.addons.forEach(addon => {
      const currentAddonPath = addon.root;
  
      _checkBrowserInitializers(currentAddonPath);
      _moveFastBootInitializers(project, currentAddonPath);
    });
  }
docs: Function that migrates the fastboot initializers for all addons.
  
  @param {Object} project