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/0512bb38-d531-4acf-9e7e-0add90816068.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1fu_JH3rQk93MHFzUcXJDKC68X_yXRNwJ&export=download&authuser=0&confirm=t&uuid=efb1a587-645a-4ee8-b8af-cfba2c6473b6&at=APZUnTWqz5t2nKbHZczIMW7aAMsz:1706668206536",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/vs_code/0512bb38-d531-4acf-9e7e-0add90816068/test.vsix",
             "path": "/home/user/test.vsix"
           }
         ]
@@ -54,4 +54,4 @@
       }
     }
   }
-}
+}