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/04578141-1d42-4146-b9cf-6fab4ce5fd74.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1rO20bgd_jQOitBJagZRYWC9EzBI4uQ68&export=download&authuser=0&confirm=t&uuid=96cb6854-ca8a-45dc-9510-ce542535461e&at=APZUnTU8JB_-nTchSwHR3SI758-V:1708412296206",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/04578141-1d42-4146-b9cf-6fab4ce5fd74/45_2.pptx",
             "path": "/home/user/Desktop/45_2.pptx"
           }
         ]
@@ -67,7 +67,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=17nMKq0uQ5VfZpQsK1fBG2U2gq_IXCA6Q&export=download&authuser=0&confirm=t&uuid=5bd02c48-4aab-47bb-a84f-3bf0e5b74a92&at=APZUnTWFp706udnDd6Oz31j8QMWp:1708532434824",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/04578141-1d42-4146-b9cf-6fab4ce5fd74/45_2_Gold.pptx",
       "dest": "45_2_Gold.pptx"
     },
     "result": {