fix(docs): add api references

docs/src/api-references/useCalendar.mdx

@@ -20,10 +20,75 @@ function Component() {
 
 ## Options
 
+### [UseCalendarOptions](https://github.com/veccu/react-calendar/blob/main/src/useCalendar.ts#L17)
+
 ```ts
 export interface UseCalendarOptions {
   defaultDate?: Date | number | string
   defaultWeekStart?: WeekDayType
   defaultViewType?: CalendarViewType
 }
 ```
+
+## Models
+
+### [Return type of useCalendar](https://github.com/veccu/react-calendar/blob/main/src/useCalendar.ts#L121)
+
+```ts
+
+interface ReturnValue extends ReturnType<typeof createCalendarInfo> {
+	headers: {
+		weekDays: Array<{ key: string; value: Date }>;
+	};
+	body: _MonthViewBody | _WeekViewBody | _DayViewBody;
+	navigation: {
+		toNext(): void;
+		toPrev(): void;
+		setToday(): void;
+		setDate(date: Date): void;
+	};
+	view: {
+		type: CalendarViewType;
+		setViewType(type: CalendarViewType): void;
+		setWeeksStartsOn(weekDay: WeekDayType): void;
+		isMonthView: boolean;
+		isWeekView: boolean;
+		isDayView: boolean;
+		showMonthView(): void;
+		showWeekView(): void;
+		showDayView(): void;
+	}
+}
+```
+
+#### [_MonthViewBody (private)](https://github.com/veccu/react-calendar/blob/main/src/models/Calendar.ts#L9)
+
+```ts
+interface MonthViewBody {
+	value: Array<{
+		key: string; /* id */
+		value: Array<{
+			key: string; /* id */
+			value: Date;
+			isCurrentMonth: boolean;
+			isCurrentDate: boolean;
+		}>;
+	}>;
+}
+```
+
+#### [CalendarViewType](https://github.com/veccu/react-calendar/blob/main/src/models/CalendarViewType.ts)
+
+```ts
+enum CalendarViewtype {
+  Month = 'month',
+  Week = 'week',
+  Day = 'day',
+}
+```
+
+#### [WeekDayType](https://github.com/veccu/react-calendar/blob/main/src/models/WeekDayType.ts)
+
+```ts
+type WeekDayType = 0 | 1 | 2 | 3 | 4 | 5 | 6
+```