Add function to read sensitive data from .sensitive.json file

- Implemented GetSensitiveData function to load sensitive data from a JSON file.
- Added error handling for missing file scenario.

lib/utils/browser_use/sensitive_data.py

@@ -0,0 +1,21 @@
+# read json file .sensitive.json
+
+import json
+import os
+
+def GetSensitiveData():
+    """
+    Reads sensitive data from a .sensitive.json file in the current directory.
+    
+    Returns:
+        dict: A dictionary containing the sensitive data.
+    """
+    file_path = os.path.join(os.getcwd(), '.sensitive.json')
+    
+    if not os.path.exists(file_path):
+        raise FileNotFoundError(f"The file {file_path} does not exist.")
+    
+    with open(file_path, 'r') as file:
+        sensitive_data = json.load(file)
+    
+    return sensitive_data