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/455d3c66-7dc6-4537-a39a-36d3e9119df7.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=12MxMjw28_t1nTLihlDpToKebjsSDsjwx&export=download&authuser=0&confirm=t&uuid=1ccc1da0-d7c7-494f-a0e3-59eb55f54e3f&at=APZUnTXvNIRMsF2cjZuFxmQzByhC:1705253210291",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/455d3c66-7dc6-4537-a39a-36d3e9119df7/wssf-project-plan-on-a-page.pptx",
             "path": "/home/user/Desktop/wssf-project-plan-on-a-page.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_images",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1XTDaQ2NlovrusKkuY6udi_BQfLwSP9th&export=download&authuser=0&confirm=t&uuid=d3c7883e-3cea-4bf3-8f83-d878622ee76d&at=APZUnTXQEnT0Gi4rB0oegvVGheyn:1705859805154",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/455d3c66-7dc6-4537-a39a-36d3e9119df7/wssf-project-plan-on-a-page.png",
       "dest": "res_gold.png"
     },
     "result": {