Add data component containing holidays list and weekend check

src/Data/ClosedDays-Grid view.csv

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+Description	Date	Day	DayAuto
+Republic Day 	1/26/2018	Friday	5
+Mahashivratri	2/13/2018	Tuesday	2
+Holi	3/2/2018	Friday	5
+Mahavir Jayanti	3/29/2018	Thursday	4
+Good Friday	3/30/2018	Friday	5
+Maharashtra Day	5/1/2018	Tuesday	2
+Independence Day	8/15/2018	Wednesday	3
+Bakri ID	8/22/2018	Wednesday	3
+Ganesh Chaturthi	9/13/2018	Thursday	4
+Moharram	9/20/2018	Thursday	4
+Mahatama Gandhi Jayanti	10/2/2018	Tuesday	2
+Dasera	10/18/2018	Thursday	4
+Diwali-Laxmi Pujan	11/7/2018	Wednesday	3
+Diwali-Balipratipada	11/8/2018	Thursday	4
+Gurunanak Jayanti	11/23/2018	Friday	5
+Christmas	12/25/2018	Tuesday	2

src/Data/index.ts

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+import * as Moment from 'moment';
+
+export interface Holiday {
+    Description: string;
+    Date: Moment.Moment;
+    // Use it later, if needed
+    Day: string;
+}
+
+export type HolidayList = Array<Holiday>;
+
+export const allHolidays: HolidayList =
+    [
+        { "Description": "Republic Day", "Date": Moment("2018-1-26"), "Day": "Friday" },
+        { "Description": "Mahashivratri", "Date": Moment("2018-2-13"), "Day": "Tuesday" },
+        { "Description": "Holi", "Date": Moment("2018-3-2"), "Day": "Friday" },
+        { "Description": "Mahavir Jayanti", "Date": Moment("2018-3-29"), "Day": "Thursday" },
+        { "Description": "Good Friday", "Date": Moment("2018-3-30"), "Day": "Friday" },
+        { "Description": "Maharashtra Day", "Date": Moment("2018-5-1"), "Day": "Tuesday" },
+        { "Description": "Independence Day", "Date": Moment("2018-8-15"), "Day": "Wednesday" },
+        { "Description": "Bakri ID", "Date": Moment("2018-8-22"), "Day": "Wednesday" },
+        { "Description": "Ganesh Chaturthi", "Date": Moment("2018-9-13"), "Day": "Thursday" },
+        { "Description": "Moharram", "Date": Moment("2018-9-20"), "Day": "Thursday" },
+        { "Description": "Mahatama Gandhi Jayanti", "Date": Moment("2018-10-2"), "Day": "Tuesday" },
+        { "Description": "Dasera", "Date": Moment("2018-10-18"), "Day": "Thursday" },
+        { "Description": "Diwali-Laxmi Pujan", "Date": Moment("2018-11-7"), "Day": "Wednesday" },
+        { "Description": "Diwali-Balipratipada", "Date": Moment("2018-11-8"), "Day": "Thursday" },
+        { "Description": "Gurunanak Jayanti", "Date": Moment("2018-11-23"), "Day": "Friday" },
+        { "Description": "Christmas", "Date": Moment("2018-12-25"), "Day": "Tuesday" },
+    ];
+
+export enum ISOWeekDay {
+    Monday = 1,
+    Tuesday = 2,
+    Wednesday = 3,
+    Thursday = 4,
+    Friday = 5,
+    Saturday = 6,
+    Sunday = 7
+}
+
+export function isWeekend(date: Moment.Moment): boolean {
+    const dateWeekDay = date.isoWeekday();
+    if ((dateWeekDay === ISOWeekDay.Saturday) ||
+        (dateWeekDay === ISOWeekDay.Sunday)) {
+        return true;
+    } else {
+        return false;
+    }
+}
+
+export function getWeekendHoliday(date: Moment.Moment): Holiday | undefined {
+    if (isWeekend(date)) {
+        const dateWeekDay = date.isoWeekday();
+        return { "Description": "Weekend", "Date": date, "Day": ISOWeekDay[dateWeekDay] };
+    } else {
+        return undefined;
+    }
+}