You use Google Calendar for everything. Now here’s how to get those events into the planner you actually write in. Google Calendar is the default for millions of people — for work schedules, shared family calendars, and everything in between. But if you plan your day by hand on an iPad with Apple Pencil, you’ve probably hit the same wall: your calendar lives in one app, and your planner lives in another. The result is double-entry. You check Google Calendar,…