fix: add missing package keys to the sort array (issue #3509) (#3510)

Author: elevatebart

packages/@vue/cli/lib/Generator.js

@@ -182,8 +182,15 @@ module.exports = class Generator {
       'description',
       'author',
       'scripts',
+      'main',
+      'module',
+      'browser',
+      'jsDelivr',
+      'unpkg',
+      'files',
       'dependencies',
       'devDependencies',
+      'peerDependencies',
       'vue',
       'babel',
       'eslintConfig',