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/08aced46-45a2-48d7-993b-ed3fb5b32302.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=15OOk9xJzM4WBJRy5rDT2iMrEmm7b-VXj&export=download&authuser=0&confirm=t&uuid=cbf760e1-5873-48d9-8ccb-7262fe503b02&at=APZUnTXEXnk5QAt0NnwVquomeHvk:1708009014973",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/08aced46-45a2-48d7-993b-ed3fb5b32302/22_6.pptx",
             "path": "/home/user/Desktop/22_6.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1lIdDVe95j3Hpscn9eXEuaawhSL2QmhEl&export=download&authuser=0&confirm=t&uuid=63138b31-03cf-4c8b-b8d2-ed82390f2cbe&at=APZUnTVDjl7XaiMgLOHbXrwJdSLr:1708008981789",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/08aced46-45a2-48d7-993b-ed3fb5b32302/22_6_Gold.pptx",
       "dest": "22_6_Gold.pptx"
     },
     "result": {