Merge pull request #3230 from Gaurav-x111/contributor/example-change

docs: add interactive session example to quick start

Author: code-yeongyu

README.md

@@ -134,6 +134,9 @@ export ANTHROPIC_API_KEY="sk-ant-..."
 
 # 4. Run a prompt
 ./target/debug/claw prompt "say hello"
+
+# 5. Start an interactive session
+./target/debug/claw
 ```
 
 > [!NOTE]