refine README

README.md

@@ -5,9 +5,50 @@ A pleasant note-taking platform.
 > VNoteX is closed source and is intended to keep several premium features compared to VNote. Most of VNoteX's code base will be open source as VNote 3.0, so VNote will share most of the code base with VNoteX and continue to be open source from 3.0.  
 > **Welcome to VNoteX and VNote 3.0!**
 
-**ATTENTION**: The notebook format of VNote 3.0 is not compatible with that of earlier versions of VNote. Feel free to decide the right time to jump to VNote 3.0.
+**ATTENTION**:
+
+* The notebook format of VNote 3.0 is not compatible with that of earlier versions of VNote. Feel free to decide the right time to jump to VNote 3.0.
+* Features supported by VNote 3.0 now is NOT on par with VNote 2.0. The migration takes time.
 
 The obsolete code base of VNote 2.0 is available at the [vnote2.0](https://github.com/vnotex/vnote/tree/vnote2.0) branch.
 
+For more information, please visit [**VNote's Homepage**](https://vnotex.github.io/vnote).
+
+![VNote](pics/vnote.png)
+
+## Description
+**VNote** is a Qt-based, free and open source note-taking application, focusing on Markdown now. VNote is designed to provide a pleasant note-taking platform with excellent editing experience.
+
+VNote is **NOT** just a simple editor for Markdown. By providing notes management, VNote makes taking notes in Markdown simpler.
+
+Utilizing Qt, VNote could run on **Linux**, **Windows**, and **macOS**.
+
+## Supports
+- [GitHub Issues](https://github.com/vnotex/vnote/issues);
+- Email: `tamlokveer at gmail.com`;
+- [Slack](https://join.slack.com/t/vnote/shared_invite/enQtNDg2MzY0NDg3NzI4LTVhMzBlOTY0YzVhMmQyMTFmZDdhY2M3MDQxYTBjOTA2Y2IxOGRiZjg2NzdhMjkzYmUyY2VkMWJlZTNhMTQyODU);
+- [Telegram](https://t.me/vnotex);
+- WeChat Public Account: vnotex;
+
+## Donate
+You could help VNote's development in many ways.
+
+- Keep monitoring VNote and sending feedback for improvement.
+- Spread and promote VNote to your friends. Popularity is a strong power to drive developers.
+- Participate in the development of VNote and send [Pull Request](https://github.com/vnotex/vnote/pulls) to make VNote perfect.
+- Last, really appreciate your donate to VNote if you think VNote really helps.
+
+**PayPal**: [PayPal.Me/vnotemd](https://www.paypal.me/vnotemd)
+
+**Alipay**: `tamlokveer@gmail.com`
+
+<img src="pics/alipay.png" width="256px" height="256px" />
+
+**WeChat**
+
+<img src="pics/wechat_pay.png" width="256px" height="256px" />
+
+Thank [users who donated to VNote](https://github.com/vnotex/vnote/wiki/Donate-List)!
+
 ## License
 VNote is licensed under [GNU LGPLv3](https://opensource.org/licenses/LGPL-3.0). Code base of VNote could be used freely by VNoteX.