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/5cfb9197-e72b-454b-900e-c06b0c802b40.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1wwoRVSs3U1T_PiaZwcYaUWCDOXyEjwo5&export=download&authuser=0&confirm=t&uuid=b5dde00e-d177-4ef6-8277-c1ba7364f7dc&at=APZUnTWumFUz_A92Mh_yksLYa5Kp:1708324711007",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/5cfb9197-e72b-454b-900e-c06b0c802b40/33_1.pptx",
             "path": "/home/user/Desktop/33_1.pptx"
           }
         ]
@@ -61,7 +61,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1lFePZqVe4e9SJguRCJbCR6p8J3cBPQiP&export=download&authuser=0&confirm=t&uuid=feff9b2c-dac6-4474-af09-ae43078887af&at=APZUnTX10E7vF_nKsOHE9SUycJ5e:1708324823154",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/5cfb9197-e72b-454b-900e-c06b0c802b40/33_1_Gold.pptx",
       "dest": "33_1_Gold.pptx"
     },
     "result": {