Release v1.0.8.6 Improve & Snaplayout

Fixed

• fixed #49
• fixed #47
• fixed #45
• fixed the titlebar will show if you don't use geometry

PRs

• Improve docstring & typecheck by @littlewhitecloud in #46
• Add snaplayout by @littlewhitecloud in #48
• Improve snaplayout by @littlewhitecloud in #50
• Improve & bump version by @littlewhitecloud in #51

Full Changelog: v1.0.8.4...v1.0.8.6