docs: add project description and setup instructions to readme

README.md

@@ -112,6 +112,28 @@ messages = [
 last_response =agent.communicate(messages)
 ```
 
+Messages are also allowed in this format:
+
+```python 
+messages = [
+    dict(role="user",content="What is your name?"),
+    dict(role="assistant",content="My name is Hans."),
+]
+agent.communicate(messages)
+```
+
+You can add many messages of the same role with giving role as parameter.
+
+```python
+messages = [
+    "I am Hans,",
+    "I have many apples.",
+    "I do not have many oranges.",
+    "Wizards are cool.",
+]
+agent.communicate(messages,role="assistant")
+```
+
 ## Add embeddings / documents / RAG to your agent
 
 You can add context to your agent by adding documents to the vector store.