[FEATURE] add snap to grid

[mrx23dot]

with settable grid size, to easy align edges.

[ObaraEmmanuel]

Thank you for your suggestion. I will take it into consideration for future feature development.

[mrx23dot]

Could be as simple as rounding X/Y/h/w % 10 after movement, unless manually overwritten from side panel.

[JPluess]

That sounds great, how about adding some general alignment options: