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/70bca0cc-c117-427e-b0be-4df7299ebeb6.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1UJ6XsGEYTKpqkeJeLUk8vwqB2Q1gV56s&export=download&authuser=0&confirm=t&uuid=48ac2a1b-c6f4-4687-8eb6-e09710e31755&at=APZUnTW9LoZFfYhfBwruHWcgK643:1708240341114",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/70bca0cc-c117-427e-b0be-4df7299ebeb6/71_6.pptx",
             "path": "/home/user/Desktop/71_6.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1Ah6A6V7lGHLSmBA7aSLvcjSy0kPFUu1o&export=download&authuser=0&confirm=t&uuid=a952e140-a429-4819-a2bf-c723d53a5c2b&at=APZUnTV7ONjvu0Bq4S2NEvOrwRL-:1708241244209",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/70bca0cc-c117-427e-b0be-4df7299ebeb6/71_6_Gold.pptx",
       "dest": "71_6_Gold.pptx"
     },
     "result": {