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/gimp/62f7fd55-0687-4a43-b6e1-3eda16fc6252.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1p6nkoAiT53-bZMZhdd0_q_qSYmlnySQS&export=download&authuser=0&confirm=t&uuid=c23a4d7c-b749-4d75-9792-03fc2e099863&at=APZUnTUSIuFtW2Se2XPstZGmNEMh:1708106060015",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/gimp/62f7fd55-0687-4a43-b6e1-3eda16fc6252/logo.png",
             "path": "/home/user/logo.png"
           }
         ]
@@ -23,4 +23,4 @@
   "evaluator": {
     "func": "infeasible"
   }
-}
+}