add .cursorignore

Python.gitignore

@@ -174,7 +174,8 @@ cython_debug/
 .pypirc
 
 # Cursor  
-#  Cursor is a code editor integrated with LLM. `.cursorrules` is its project-level configuration file, 
-#  refer to https://docs.cursor.com/context/rules, which is used to customize the code generation rules of AI
-.cursorrules
-.cursor/rules
+#  Cursor is an AI-powered code editor.`.cursorignore` specifies files/directories to 
+#  exclude from AI features like autocomplete and code analysis. Recommended for sensitive data
+#  refer to https://docs.cursor.com/context/ignore-files
+.cursorignore
+.cursorindexingignore