update folder structure

Author: hunterliu1003

manual-test/.browserslistrc renamed to .browserslistrc

@@ -0,0 +1,3 @@
+> 1%
+last 2 versions
+not dead

.eslintrc

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+module.exports = {
+  root: true,
+  env: {
+    node: true
+  },
+  extends: ['plugin:vue/essential', 'eslint:recommended', '@vue/prettier'],
+  parserOptions: {
+    parser: 'babel-eslint'
+  },
+  rules: {
+    'no-console': process.env.NODE_ENV === 'production' ? 'warn' : 'off',
+    'no-debugger': process.env.NODE_ENV === 'production' ? 'warn' : 'off'
+  }
+}

manual-test/.eslintrc.js renamed to .eslintrc.js

@@ -0,0 +1,8 @@
+# .prettierrc or .prettierrc.yaml
+# printWidth: 80
+tabWidth: 2
+semi: false
+singleQuote: true
+# trailingComma: 'es5'
+# bracketSpacing: true
+arrowParens: 'avoid'