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/38f48d40-764e-4e77-a7cf-51dfce880291.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1KIFOzhbQEAZD8SESuJwqAsO0y-uR-3_N&export=download&authuser=0&confirm=t&uuid=b29beb96-aa60-49b5-be59-50d110d7661a&at=APZUnTU9VZ4fLEkKAIa8aAUhNup6:1708105875615",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/gimp/38f48d40-764e-4e77-a7cf-51dfce880291/fullvideo.mp4",
             "path": "/home/user/fullvideo.mp4"
           }
         ]
@@ -23,4 +23,4 @@
   "evaluator": {
     "func": "infeasible"
   }
-}
+}