message: add an edge build target
diff: 'use strict';
  -const browsers = ['last 1 Chrome versions', 'last 1 Firefox versions', 'last 1 Safari versions'];
  -
  module.exports = {
  - browsers,
  + browsers: ['last 1 edge versions', 'last 1 Chrome versions', 'last 1 Firefox versions', 'last 1 Safari versions'],
  };
  