[Doc] rename component README file (#3662)

docs/markdown/changelog.en-US.md

@@ -21,7 +21,7 @@
 - fix Toast missing type definition of clear method [\#3542](https://github.com/youzan/vant/pull/3542)
 
 
-## [v2.0.1](https://github.com/youzan/vant/tree/v2.0.1)
+### [v2.0.1](https://github.com/youzan/vant/tree/v2.0.1)
 `2019-06-15`
 
 **Improvements**

docs/site/index.js

@@ -13,7 +13,7 @@ Vue.use(VueRouter).use(VantDoc);
 
 const docs = {};
 const docsFromMarkdown = require.context('../markdown', false, /(en-US|zh-CN)\.md$/);
-const docsFromPackages = require.context('../../src', true, /(en-US|zh-CN)\.md$/);
+const docsFromPackages = require.context('../../src', true, /README(\.zh-CN)?\.md$/);
 
 importAll(docs, docsFromMarkdown);
 importAll(docs, docsFromPackages);

docs/site/router.js

@@ -44,7 +44,8 @@ const registerRoute = ({ mobile, componentMap }) => {
           }
         } else {
           const module =
-            componentMap[`./${path}/${lang}.md`] ||
+            componentMap[`./${path}/README.${lang}.md`] ||
+            componentMap[`./${path}/README.md`] ||
             componentMap[`./${path}.${lang}.md`];
 
           component = module.default;