feat: Migrate OSWorld files to HuggingFace cache with comprehensive documentation

- Add detailed README for file cache repository
- Implement migration script with retry logic and browser simulation
- Support automatic file type detection and deduplication
- Ensure reliable hosting for OSWorld evaluation files

evaluation_examples/examples/vs_code/7aeae0e2-70ee-4705-821d-1bba5d5b2ddd.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1dfc_QSyywXGqh7vcXOzSkGo76fEzl-wL&export=download&authuser=0&confirm=t&uuid=6f139847-7ae6-42ec-b0a6-c84f4b02790d&at=APZUnTWXbY8NWy5aLS8bTkr-td9l:1708107970467",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/vs_code/7aeae0e2-70ee-4705-821d-1bba5d5b2ddd/main.py",
             "path": "/home/user/main.py"
           }
         ]
@@ -38,4 +38,4 @@
   "evaluator": {
     "func": "infeasible"
   }
-}
+}