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/af23762e-2bfd-4a1d-aada-20fa8de9ce07.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1zmtomIzSgSjnYZbhgtH4n90L5mV9bS7L&export=download&authuser=0&confirm=t&uuid=1966ab03-1e17-447a-aeb4-71a753eca196&at=APZUnTVoWHV6z8LJi5VHADuQE6VG:1705319233167",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/af23762e-2bfd-4a1d-aada-20fa8de9ce07/Forests.pptx",
             "path": "/home/user/Desktop/Forests.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1nRwmFgYdskv3EiriZZFoT8TzM9CsG5B0&export=download&authuser=0&confirm=t&uuid=f2f919df-2867-4bc3-8bb9-dabd51108ebb&at=APZUnTWzw9LJWWXvH0cvdaWL-Ij-:1705319339474",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/af23762e-2bfd-4a1d-aada-20fa8de9ce07/Forests_Gold.pptx",
       "dest": "Forests_Gold.pptx"
     },
     "result": {