Add local LLM setup guide for AiSysRev

Added a setup guide for using local LLMs with AiSysRev, specifically for MacOS with LM Studio.

Author: alehuo

docs/local_models.md

@@ -0,0 +1,14 @@
+> [!WARNING]
+> This setup guide is work in progress (WIP)
+
+# Using local LLMs with AiSysRev
+
+AISysRev supports local LLMs. This setup guide is intended to help setting up a local LLM and calling it successfully via the UI. Please note, that reaching an adequate paper screening output a powerful machine should be used.
+
+## MacOS - LM Studio
+
+1. Download and setup LM Studio
+2. Start the local LLM
+3. In AISysDev, put the following into local provider base URL:
+
+TODO