feat(Docs): Onboard now.

Author: walkthunder

README.md

@@ -30,9 +30,11 @@ Read [Invio Official Document](https://docs.webinfra.cloud/Invio/index.html)
 
 ## Download and Install
 
+- Option #1: Search **Invio** in the official "community plugin list", or visit this: https://obsidian.md/plugins?id=invio (which should redirect you into Obsidian app), then install the plugin.
+- Option #2: You can also use Obsidian42 - BRAT to install this plugin. Input frontend-engineering/Invio in the configuration of BRAT.
 
-- Option #1: [![GitHub release (latest by SemVer and asset including pre-releases)](https://img.shields.io/github/downloads-pre/frontend-engineering/Invio/latest/total?style=social)](https://github.com/frontend-engineering/Invio/releases) Manually download assets (`main.js`, `manifest.json`, `styles.css`) from the latest release.
-- Option #2: [![BuildCI](https://github.com/frontend-engineering/Invio/actions/workflows/auto-build.yml/badge.svg)](https://github.com/frontend-engineering/Invio/actions/workflows/auto-build.yml) Every artifacts are placed in the "Summary" under every successful builds. It's automatically generated by every commit, may break something.
+- Option #3: [![GitHub release (latest by SemVer and asset including pre-releases)](https://img.shields.io/github/downloads-pre/frontend-engineering/Invio/latest/total?style=social)](https://github.com/frontend-engineering/Invio/releases) Manually download assets (`main.js`, `manifest.json`, `styles.css`) from the latest release.
+- Option #4: [![BuildCI](https://github.com/frontend-engineering/Invio/actions/workflows/auto-build.yml/badge.svg)](https://github.com/frontend-engineering/Invio/actions/workflows/auto-build.yml) Every artifacts are placed in the "Summary" under every successful builds. It's automatically generated by every commit, may break something.
 
 ## Usage