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/libreoffice_impress/986fc832-6af2-417c-8845-9272b3a1528b.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1WgEV25hWlzvOXIImI1ZaDZO1yKC72Qay&export=download&authuser=0&confirm=t&uuid=be9bc8b6-87c1-4fc9-8a2e-1996506f3064&at=APZUnTXethF6dUj-KMNc4aCa3GNT:1708424245157",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/986fc832-6af2-417c-8845-9272b3a1528b/154_3.pptx",
             "path": "/home/user/Desktop/154_3.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1trYqwEuj2ruF830UGUHF1M3I1at4nW11&export=download&authuser=0&confirm=t&uuid=87f6f46d-ffa0-4ef2-ae6c-9287112fba46&at=APZUnTVUpQNUwIYuq6WSETe6C3zP:1708424390551",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/986fc832-6af2-417c-8845-9272b3a1528b/154_3_Gold.pptx",
       "dest": "154_3_Gold.pptx"
     },
     "result": {