made datepicker honor locale's week start day

Views/Shared/_Layout.cshtml

@@ -10,6 +10,7 @@
     var useMarkDown = userConfig.UseMarkDownOnSavedNotes;
     var useThreeDecimals = userConfig.UseThreeDecimalGasCost;
     var shortDatePattern = System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.ShortDatePattern;
+    var firstDayOfWeek = (int)System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.FirstDayOfWeek;
     var numberFormat = System.Globalization.CultureInfo.CurrentCulture.NumberFormat;
     var userLanguage = userConfig.UserLanguage;
     shortDatePattern = shortDatePattern.ToLower();
@@ -58,7 +59,8 @@
                 useMarkDown: "@useMarkDown" == "True",
                 currencySymbol: decodeHTMLEntities("@numberFormat.CurrencySymbol"),
                 useThreeDecimals: "@useThreeDecimals" == "True",
-                useMPG: "@useMPG" == "True"
+                useMPG: "@useMPG" == "True",
+                firstDayOfWeek: @firstDayOfWeek
             }
         }
         function getShortDatePattern() {

wwwroot/js/garage.js

@@ -149,6 +149,7 @@ function initCalendar() {
         startDate: "+0d",
         format: getShortDatePattern().pattern,
         todayHighlight: true,
+        weekStart: getGlobalConfig().firstDayOfWeek,
         beforeShowDay: function (date) {
             var reminderDateIndex = groupedDates.findIndex(x => (x.date == date.getTime() || x.date == (date.getTime() - date.getTimezoneOffset() * 60000))); //take into account server timezone offset
             if (reminderDateIndex > -1) {

wwwroot/js/shared.js

@@ -129,13 +129,15 @@ function initDatePicker(input, futureOnly) {
         input.datepicker({
             startDate: "+0d",
             format: getShortDatePattern().pattern,
-            autoclose: true
+            autoclose: true,
+            weekStart: getGlobalConfig().firstDayOfWeek
         });
     } else {
         input.datepicker({
             endDate: "+0d",
             format: getShortDatePattern().pattern,
-            autoclose: true
+            autoclose: true,
+            weekStart: getGlobalConfig().firstDayOfWeek
         });
     }
 }