v1.0.0

MVP of this app. Most basic functionality needed for a drawing app.

What's Changed

• GDExtension setup by @Decapitated in #1
• Basic drawing/erasing/smoothing. by @Decapitated in #2
• Stylus Support by @Decapitated in #3
• Eraser improvements by @Decapitated in #4
• Basic UI + Other updates/fixes. by @Decapitated in #6
• Pen Menu + Cursor + More by @Decapitated in #8

Full Changelog: https://github.com/Decapitated/Just-Draw/commits/v1.0.0