Refactor cursor_pro_keep_alive.py and update packaging

- Simplified configuration loading message in cursor_pro_keep_alive.py.
- Improved error message for missing config file.
- Renamed executable from 'cursor_pro_keep_alive' to 'cursorPro' in CursorKeepAlive.spec.
- Removed obsolete config file from dist directory.
- Added new executable 'cursorPro.exe' to dist folder.
- Updated README.md to reflect changes in file structure and installation instructions.

CursorKeepAlive.spec

@@ -26,7 +26,7 @@ exe = EXE(
     a.binaries,
     a.datas,
     [],
-    name='cursor_pro_keep_alive',
+    name='cursorPro',
     debug=False,
     bootloader_ignore_signals=False,
     strip=False,