feat: full calendar with Google Calendar + 7-day weather forecast

src/app/(dashboard)/page.tsx

@@ -13,9 +13,11 @@ export default function DashboardPage() {
         <p className="text-slate-400 text-sm">Добро пожаловать домой</p>
       </div>
 
-      {/* Top row: weather, calendar, tasks */}
-      <div className="grid grid-cols-3 gap-4">
-        <WeatherWidget />
+      {/* Weather - full width */}
+      <WeatherWidget />
+
+      {/* Calendar + Tasks */}
+      <div className="grid grid-cols-1 lg:grid-cols-2 gap-4">
         <CalendarWidget />
         <TasksWidget />
       </div>