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/841b50aa-df53-47bd-a73a-22d3a9f73160.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1mIUNIo2O3kZe1acuHxwVvfFzbS9YGBgn&export=download&authuser=0&confirm=t&uuid=0cb769d3-b5c6-43dc-8acb-9f9ddf61973e&at=APZUnTUvX5HsD9TEmEPRlAyHM5DS:1708064281151",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/841b50aa-df53-47bd-a73a-22d3a9f73160/181_2.pptx",
             "path": "/home/user/Desktop/181_2.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1w8K8Wv7AT2QEjy30y6EE9aESGNIQl5AT&export=download&authuser=0&confirm=t&uuid=7db1ff83-4382-4c71-b6e0-68b1b25e7e1c&at=APZUnTV62nU1q7UbcAOoSSgvb0hk:1708064255366",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/841b50aa-df53-47bd-a73a-22d3a9f73160/181_2_Gold.pptx",
       "dest": "181_2_Gold.pptx"
     },
     "result": {