Set row width

# Why
Row width need to be set in order for the view to not exceed the screen width.

# What
When row width has a max width, the cards can't exceed that width.
When we add one new card if that new card exceeds the total width of the row, we need to add that card to the row below and or a new row.

No file or test is named. Start by locating the row and card layout implementation, then trace how adding a card affects available row width. Done means rows stay within the configured maximum width and an overflowing card moves to a subsequent row without exceeding the screen.

Written by the indexing model from the issue text.