Gig-o-Matic/GO3

AI Summary: Determine the desired behavior for gigs marked as 'hide from calendar'. This involves evaluating the current implementation where hidden gigs are partially visible in the grid view and completely hidden in the calendar view. The task requires deciding whether the current behavior is acceptable or if changes are needed to fully hide or partially show hidden gigs in both views, and then implementing those changes.

AI Summary: Write explanatory text for the "simple planning" option within the Gig-o-Matic application to clarify its functionality for users, addressing issue #645.