Doc: Link to mini (#225)

Author: klieret

README.md

@@ -63,6 +63,8 @@ Then head over to [our documentation](https://swe-rex.com/) to learn more!
   <a href="https://github.com/SWE-agent/SWE-agent"><img src="docs/assets/sweagent_logo_text_below.svg" alt="SWE-agent" height="120px"></a>
   <!-- <a href="https://github.com/SWE-agent/SWE-ReX"><img src="docs/assets/swerex_logo_text_below.svg" alt="SWE-ReX" height="120px"></a> -->
    &nbsp;&nbsp;
+  <a href="https://github.com/SWE-agent/mini-SWE-agent"><img src="docs/assets/mini_logo_text_below.svg" alt="Mini-SWE-Agent" height="120px"></a>
+   &nbsp;&nbsp;
   <a href="https://github.com/SWE-bench/SWE-smith"><img src="docs/assets/swesmith_logo_text_below.svg" alt="SWE-smith" height="120px"></a>
    &nbsp;&nbsp;
   <a href="https://github.com/SWE-bench/SWE-bench"><img src="docs/assets/swebench_logo_text_below.svg" alt="SWE-bench" height="120px"></a>