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/57667013-ea97-417c-9dce-2713091e6e2a.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1NRM6UVOr6ZxjtxJ5KfogGieNiblnadwc&export=download&authuser=0&confirm=t&uuid=b70c86c3-c3e5-4d73-9f70-335a10a9cca7&at=APZUnTVoQFLF0bv3SXnumNd7qOEC:1708519657120",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/57667013-ea97-417c-9dce-2713091e6e2a/1_2.pptx",
             "path": "/home/user/Desktop/1_2.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=12qjP366OAbGUB333jVrcEifu5CZ5tcyV&export=download&authuser=0&confirm=t&uuid=cb1b96c8-75c8-4941-8ba0-e3589d40b4b2&at=APZUnTVTguyVOgORFWhiu5tCeJ0V:1708268081967",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/57667013-ea97-417c-9dce-2713091e6e2a/1_2_Gold.pptx",
       "dest": "1_2_Gold.pptx"
     },
     "result": {