✨ On-Demand grid Layout and grid granularity

[zmx]

Feature Request Description

Some times I want a on-demand grid layout, ex: third-fourth width and half height.

• grid-based layout select UI
• switch granularity of grid

Reference: https://mizage.com/divvy/

Screenshots

No response

Additional Context

No response

Final Checks

• [X] My issue is written in English
• [X] My issue title is descriptive
• [X] This is a single feature request (multiple feature requests should be reported individually)