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/b8adbc24-cef2-4b15-99d5-ecbe7ff445eb.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1rb1PEgj8V5fGnzUKyfsDWZ33tKKnUjS6&export=download&authuser=0&confirm=t&uuid=f11c3617-5da6-4982-9574-b8114cfa5d13&at=APZUnTXhONV_FEHX8pWa7a6MfRYe:1708082800704",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/b8adbc24-cef2-4b15-99d5-ecbe7ff445eb/189_4.pptx",
             "path": "/home/user/Desktop/189_4.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1gCOS9sGrHuYvC1fv0a4KcaiDD-3K88jC&export=download&authuser=0&confirm=t&uuid=d216b6e2-bb4a-4df1-99e6-6b49df762652&at=APZUnTU-kbVwlseW88kf-X6QZ3kc:1708082937225",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/b8adbc24-cef2-4b15-99d5-ecbe7ff445eb/189_4_Gold.pptx",
       "dest": "189_4_Gold.pptx"
     },
     "result": {