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/c82632a4-56b6-4db4-9dd1-3820ee3388e4.json

@@ -9,7 +9,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1TDEznV_jXtRepAJYR6jyrQMHRmifceDR&export=download&authuser=0&confirm=t&uuid=53c336ee-474b-4cc8-b595-884692ad7449&at=APZUnTU6WTDx1eGHu8dWQSCIgb8T:1708187708559",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/c82632a4-56b6-4db4-9dd1-3820ee3388e4/31_2.pptx",
             "path": "/home/user/Desktop/31_2.pptx"
           }
         ]
@@ -20,7 +20,7 @@
       "parameters": {
         "files": [
           {
-            "url": "https://drive.usercontent.google.com/download?id=1MiqtN8kI1Z6DXAHV-6D3mkCst7pO5aaW&export=download&authuser=0&confirm=t&uuid=d4ad6bff-1788-4303-90a0-8765721c3972&at=APZUnTVa4AfsGROja7dHV5G9egqr:1708089896099",
+            "url": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/c82632a4-56b6-4db4-9dd1-3820ee3388e4/none.png",
             "path": "/home/user/Desktop/none.png"
           }
         ]
@@ -72,7 +72,7 @@
     "func": "compare_pptx_files",
     "expected": {
       "type": "cloud_file",
-      "path": "https://drive.usercontent.google.com/download?id=1V2MOVWtEf-uqzfddo8oRy43O-oBBO21-&export=download&authuser=0&confirm=t&uuid=740c2ac2-3a2d-47fe-bfd5-cd9d6162e3a0&at=APZUnTUR7n8SNB6bfA4XI_-XxuFW:1709112952270",
+      "path": "https://huggingface.co/datasets/xlangai/ubuntu_osworld_file_cache/resolve/main/libreoffice_impress/c82632a4-56b6-4db4-9dd1-3820ee3388e4/31_2_Gold.pptx",
       "dest": "31_2_Gold.pptx"
     },
     "result": {