Add browser management and email verification functionality

- Introduced `BrowserManager` class in `browser_utils.py` for streamlined browser initialization and configuration.
- Added `EmailVerificationHandler` class in `get_veri_code.py` to handle email verification code retrieval.
- Updated `cursor_pro_keep_alive.py` to utilize the new browser and email handling classes, improving code organization and readability.
- Modified `config.ini` to update the email address for account configuration.
- Removed obsolete `log.txt` file to clean up the project structure.
- Added unit tests for email verification functionality in `test/get_veri_code_test.py`.

config.ini

@@ -1,5 +1,5 @@
 [Account]
-email = apxeme@mailto.plus
+email = dounpuv@mailto.plus
 password = ccz14321@
 first_name = cheng
 last_name = zhen