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/9cf05d24-6bd9-4dae-8967-f67d88f5d38a.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1z6dnLvOU-dvcygjd2w0pkpvKSSD1wQIb&export=download&authuser=0&confirm=t&uuid=d2410306-3b42-4727-89e4-622703cedfef&at=APZUnTXZeKIlIi0NAsvxsw_VIlLN:1708085675780",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/9cf05d24-6bd9-4dae-8967-f67d88f5d38a/214_9.pptx",
             "path": "/home/user/Desktop/214_9.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1esPimH6ECznuVn1mCsi6ykAGF9r0G3-R&export=download&authuser=0&confirm=t&uuid=ab8a6b9d-e6a3-4aa0-8d52-1c440bdd67df&at=APZUnTX6fqEXAYEOBRgPpnb7x_TJ:1708085642844",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/9cf05d24-6bd9-4dae-8967-f67d88f5d38a/214_9_Gold.pptx",
       "dest": "214_9_Gold.pptx"
     },
     "result": {