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/vlc/8d9fd4e2-6fdb-46b0-b9b9-02f06495c62f.json

@@ -3,13 +3,13 @@
   "snapshot": "base_setup",
   "instruction": "Can you make the video fill up the whole screen? It's a bit too small to see right now, and I'd like to see it better.",
   "source": "https://www.youtube.com/watch?v=XHprwDJ0-fU&t=436s",
-  "config":  [
+  "config": [
     {
       "type": "download",
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=13OhDRuINzQ-w0qmzdGJ8ZSWnKyKnTRje&export=download&authuser=0&confirm=t&uuid=39cf0297-23eb-47df-a642-fd6c2f981eff&at=APZUnTUR83eI1tenMxVdyFxNeBo7:1706275408621",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/vlc/8d9fd4e2-6fdb-46b0-b9b9-02f06495c62f/Optimus - Gen 2.mp4",
             "path": "/home/user/Desktop/Gen 2.mp4"
           }
         ]
@@ -51,4 +51,4 @@
       "type": "vm_screen_size"
     }
   }
-}
+}