📝 docs: update README

Author: kazupon

README.md

@@ -10,6 +10,7 @@ Vue CLI 3 plugin to pluginize your Vue project
   <img src="https://c5.patreon.com/external/logo/become_a_patron_button.png" alt="Become a Patreon">
 </a>
 
+
 ## :star: Features
 Adjust your project generated by Vue CLI 3 to plugin development environment.
 
@@ -20,6 +21,7 @@ Adjust your project generated by Vue CLI 3 to plugin development environment.
 - Provide demonstrate environment for your Vue plugin
 - Setup the initial documentation environment with VuePress
 
+
 ## :rocket: Getting Started
 If yon don't have a project created with Vue CLI 3:
 
@@ -34,9 +36,25 @@ cd vue-your-plugin
 vue add p11n
 ```
 
+## :scroll: Changelog
+
+Detailed changes for each release are documented in the [CHANGELOG.md](https://github.com/kazupon/vue-cli-plugin-p11n/blob/master/CHANGELOG.md).
+
+
+## :exclamation: Issues
+
+Please make sure to read the [Issue Reporting Checklist](https://github.com/kazupon/vue-cli-plugin-p11n/blob/master/CONTRIBUTING.md#issue-reporting-guidelines) before opening an issue. Issues not conforming to the guidelines may be closed immediately.
+
+
+## :muscle: Contribution
+
+Please make sure to read the [Contributing Guide](https://github.com/kazupon/vue-cli-plugin-p11n/blob/master/CONTRIBUTING.md) before making a pull request.
+
+
 ## :white_check_mark: TODO
 See the [GitHub projects](https://github.com/kazupon/vue-cli-plugin-p11n/projects/1)
 
+
 ## :copyright: License
 
 [MIT](http://opensource.org/licenses/MIT)