docs: tweaks README

Author: ulivz

README.md

@@ -37,21 +37,21 @@ https://vuepress.vuejs.org/
 
 Websites built with VuePress:
 
-### Vue Ecosystem
+**Vue Ecosystem**
 
-- [vue-cli](https://cli.vuejs.org/)
-- [vuex](https://vuex.vuejs.org/)
-- [vue-server-renderer](https://ssr.vuejs.org/)
-- [vue-router](https://github.com/vuejs/vue-router)
-- [vue-test-utils](https://vue-test-utils.vuejs.org/)
-- [vue-loader](https://vue-loader.vuejs.org/)
-- [vetur](https://vuejs.github.io/vetur/)
-- [rollup-plugin-vue](https://rollup-plugin-vue.vuejs.org/)
+* [vue-cli](https://cli.vuejs.org/)
+* [vuex](https://vuex.vuejs.org/)
+* [vue-server-renderer](https://ssr.vuejs.org/)
+* [vue-router](https://github.com/vuejs/vue-router)
+* [vue-test-utils](https://vue-test-utils.vuejs.org/)
+* [vue-loader](https://vue-loader.vuejs.org/)
+* [vetur](https://vuejs.github.io/vetur/)
+* [rollup-plugin-vue](https://rollup-plugin-vue.vuejs.org/)
 
-### Community
+**Community**
 
-- [cr-vue](https://cr-vue.mio3io.com/)
-- [vuesax](https://lusaxweb.github.io/vuesax/)
+* [cr-vue](https://cr-vue.mio3io.com/)
+* [vuesax](https://lusaxweb.github.io/vuesax/)
 
 ## Todo Features