Update V0.1.4

Hi everyone, today I'm releasing update 0.1.4 for Waifu Slut School.

Сhangelog:

- Added Love Level 1 event for Zero Two.

- Added Slave Level 1 event for Zero Two.

- Added two levels of open world event for Zero Two at school entrance.

- Added a new level of the secondary event with Casca.

- Added easy mode for Mini-games (You can change it at any time in the settings).

- Updated hints for secret cards.

- Added new tutorials.