Add paper citation and reference for G2 framework (#7276)

Author: pearmini

README.md

@@ -27,7 +27,7 @@ G2 is named after Leland Wilkinson’s book _The Grammar of Graphics_ and was pr
 - [Examples](https://g2.antv.antgroup.com/examples) - a large number of demos to learn from and copy-paste
 - [Tutorials](https://g2.antv.antgroup.com/manual/quick-start) - interactive case-driven guides of G2's core concepts
 - [API Reference](https://g2.antv.antgroup.com/api/overview) - complete documentation for all visualization components
-- [Editor](https://editor.antv.antgroup.com/) - an intelligent generation tool based on AntV. It utilizes AI to reduce the development cost of data visualization, and can quickly generate visual charts through natural language.
+
 
 ## ✨ Features
 
@@ -111,6 +111,19 @@ And thank you to all our backers! 🙏
 
 <img src="https://gw.alipayobjects.com/zos/antfincdn/hTzzaqgHgQ/Antv%252520G2%252520%26%252520G2Plot.png" width="200" height="266" alt="code"/>
 
+## 📑 Paper
+
+Bairui Su, Zhiwei Wang, Zhifeng Lin, Xiaojuan Liao, Zihan Zhou, Minfeng Zhu, Wei Chen. [G2: A customizable web-based framework for authoring interactive visualizations](https://www.sciencedirect.com/science/article/pii/S2468502X26000033). Visual Informatics, 2026.
+
+```
+@article{su2026g2,
+  author={Bairui Su, Zhiwei Wang, Zhifeng Lin, Xiaojuan Liao, Zihan Zhou, Minfeng Zhu, Wei Chen},
+  title={G2: A customizable web-based framework for authoring interactive visualizations},
+  journal={Visual Informatics},
+  year={2026},
+  url={https://doi.org/10.1016/j.visinf.2026.100307}
+}
+```
 
 ## 📄 License