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/f23acfd2-c485-4b7c-a1e7-d4303ddfe864.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1yU0V_2Q6ICFt7aA6UGTHsrGYJ0DUHcmz&export=download&authuser=0&confirm=t&uuid=a6dbf831-f413-427b-8d66-5e75d8cc46d3&at=APZUnTUE3OEXPcK1WvWh-cWQ4P2u:1708235488188",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/f23acfd2-c485-4b7c-a1e7-d4303ddfe864/69_4.pptx",
             "path": "/home/user/Desktop/69_4.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1Ig38nZ6lHOyu48ASCUXEjONqps0sHj_r&export=download&authuser=0&confirm=t&uuid=ea858e02-3b6b-46ff-ba65-c8e6f2979e0c&at=APZUnTV19tyXY0cVaRvfVouUo7zq:1708235603920",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/f23acfd2-c485-4b7c-a1e7-d4303ddfe864/69_4_Gold.pptx",
       "dest": "69_4_Gold.pptx"
     },
     "result": {