Add chat button

README.md

@@ -46,6 +46,9 @@ Superhighway84
 
 ![Screenshot](screenshot01.png)
 
+[![Static 
+Badge](https://img.shields.io/badge/Join_on_Matrix-green?style=for-the-badge&logo=element&logoColor=%23ffffff&label=Chat&labelColor=%23333&color=%230DBD8B&link=https%3A%2F%2Fmatrix.to%2F%23%2F%2521PHlbgZTdrhjkCJrfVY%253Amatrix.org)](https://matrix.to/#/%21PHlbgZTdrhjkCJrfVY%3Amatrix.org)
+
 Superhighway84 is an open source, terminal-based, IPFS-powered, USENET-inspired,
 uncensorable, decentralized peer-to-peer internet discussion system with retro
 aesthetics.
@@ -113,7 +116,7 @@ Clone this repository
   $ git clone [email protected]:mrusme/superhighway84.git
   ```
 - from 
-  [Radicle](https://app.radicle.xyz/nodes/seed.radicle.garden/rad:z4JkpNjyUemfCeU85iqssNEukoBn1/)
+  [Radicle](https://app.radicle.xyz/nodes/seed.xn--gckvb8fzb.com/rad:z4JkpNjyUemfCeU85iqssNEukoBn1)
   ```sh
   $ rad clone rad:z4JkpNjyUemfCeU85iqssNEukoBn1
   ```