feat: add w3f badge

Author: chungquantin

README.md

@@ -77,6 +77,17 @@ We welcome contributions from the community! Please:
 
 ---
 
+### Acknowledgment
+
+[Dedot](https://dedot.dev) take a lot of inspirations from project [@polkadot/api](https://github.com/polkadot-js/api). A big thank to all the maintainers/contributors of this awesome library.
+
+Proudly supported by Web3 Foundation Grants Program.
+<p align="left">
+  <img width="250" src="https://user-images.githubusercontent.com/6867026/227230786-0796214a-3e3f-42af-94e9-d4122c730b62.png">
+</p>
+
+---
+
 ## 📜 License
 
 This project is licensed under the **[MIT License](LICENSE)**.