grid
A grid container on a UI stage: it draws nothing and packs its children row by row into `columns` equal-width cells.
grid(columns=1 gap=1 w=1)
Attributes
columnsnumberNumber of columns (default the square root of the child count, rounded up).4×gapnumberSpace between the cells, in stage units; two values are the row gap, then the column gap.4×wnumber2×origintexte.g. top-left1×xnumber1×ynumber1×