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/a434992a-89df-4577-925c-0c58b747f0f4.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1wgqcqlJVpRjZJNetmM5k3J3J-we8o29N&export=download&authuser=0&confirm=t&uuid=805143ab-1ea8-452b-a258-d9bd12b66af4&at=APZUnTUkVNjNUb64VDOzPORZ7B0C:1708064662541",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/a434992a-89df-4577-925c-0c58b747f0f4/16_2.pptx",
             "path": "/home/user/Desktop/16_2.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1PP6NzBOTGwOUqkCNi8OayzD0art1_YjO&export=download&authuser=0&confirm=t&uuid=7c6a65a0-9fcb-40d1-ab19-93465bbd0d40&at=APZUnTW-p6JUQuEVkqlrJEJk7paf:1708064850977",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/a434992a-89df-4577-925c-0c58b747f0f4/16_2_Gold.pptx",
       "dest": "16_2_Gold.pptx"
     },
     "result": {