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/15aece23-a215-4579-91b4-69eec72e18da.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1SCyQzGU05PF-BPrXJ7GsFrnyuRcKcbBb&export=download&authuser=0&confirm=t&uuid=146ec2c0-7d7b-47f7-ba3e-a25ae7b479c1&at=APZUnTUs1bKMtihZrAkdfFBd_gHw:1708187862167",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/15aece23-a215-4579-91b4-69eec72e18da/134_2.pptx",
             "path": "/home/user/Desktop/134_2.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1X2x0KzBllrCtupnllxoZ-HkHmd7Dd4Dp&export=download&authuser=0&confirm=t&uuid=58797979-1d78-4cbe-9c21-747400262a7c&at=APZUnTWJVEFgc0DKLpwNaqLfzBrQ:1708188011672",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/15aece23-a215-4579-91b4-69eec72e18da/134_2_Original.pptx",
       "dest": "134_2_Original.pptx"
     },
     "result": {