Fixed: Added contributors section to readme.md . (#63)

* Update README.md

Successfully added contributors section to Readme.md file.

* Update README.md

Fixed Changes

* Update README.md

Co-authored-by: Wenwei Zhang <[email protected]>

---------

Co-authored-by: liukuikun <[email protected]>
Co-authored-by: Wenwei Zhang <[email protected]>

Author: 3 people

README.md

@@ -144,6 +144,10 @@ response = chatbot.chat('若$z=-1+\sqrt{3}i$,则$\frac{z}{{z\overline{z}-1}}=\le
 print(response.response)  # Output the response generated by the chatbot.
 >>> $-\\frac{1}{3}+\\frac{{\\sqrt{3}}}{3}i$
 ```
+### All Thanks To Our Contributors:
+  <a href="https://github.com/InternLM/lagent/graphs/contributors">
+  <img src="https://contrib.rocks/image?repo=InternLM/lagent" />
+</a>
 
 ## Citation