v1.0.4: Add .gitignore, refactor API class, and update session management

- Introduced .gitignore to exclude unnecessary files.
- Refactored KolHalashonAPI class to improve initialization and session handling.
- Enhanced session management with better error handling and token management.
- Updated version number to 1.0.4.

v1.0.3

Update version number

v1.0.2

fix

v1.01

v1.0.1

fix

v1.0.0

add file