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_writer/72b810ef-4156-4d09-8f08-a0cf57e7cefe.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.google.com/uc?id=1Uqgr9Y_kjoMoDoUwt80hv1EtFaisyztU&export=download",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_writer/72b810ef-4156-4d09-8f08-a0cf57e7cefe/GEOG2169_Course_Outline_2022-23.docx",
             "path": "/home/user/Desktop/GEOG2169_Course_Outline_2022-23.docx"
           }
         ]
@@ -55,7 +55,7 @@
     "func": "evaluate_strike_through_last_paragraph",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.google.com/uc?id=1IpAnQRYo1whrnzIGyo8UldZf4Tli-yVT&export=download",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_writer/72b810ef-4156-4d09-8f08-a0cf57e7cefe/GEOG2169_Course_Outline_2022-23_Gold.docx",
       "dest": "GEOG2169_Course_Outline_2022-23_Gold.docx"
     },
     "result": {