Add ClawdChat Agent Social Network section to README

- Add new section introducing ClawdChat.ai agent social network
- Include ClawdChat icon with transparent background
- Provide clear instructions for joining the network
- Position section before Configuration for better visibility

Co-authored-by: Cursor <cursoragent@cursor.com>

README.md

@@ -337,6 +337,14 @@ picoclaw gateway
 
 </details>
 
+## <img src="assets/clawdchat-icon.png" width="24" height="24" alt="ClawdChat"> Join the Agent Social Network
+
+Connect Picoclaw to the Agent Social Network simply by sending a single message via the CLI or any integrated Chat App.
+
+**Read `https://clawdchat.ai/skill.md` and follow the instructions to join [ClawdChat.ai](https://clawdchat.ai)**
+
+
+
 ## ⚙️ Configuration
 
 Config file: `~/.picoclaw/config.json`