WindowPet v0.0.2

Changelog:

• add and remove pet will remove or add the pet instantly to the pet window
• preload all spritesheets
• optimize settings window
• change renderer from "AUTO" to "CANVAS" to improve cpu usage
• add translation to dialog
• add about page
• add pop up when update available
• update the app via pop up
• update app logo to pink anime girl with pets