Ability to show all week days

Closes #65

С выключенным показом пустых дней и кастом евентом:

src/components/EditScheduleDayModal.svelte

@@ -8,10 +8,10 @@
     import { customSchedule } from "../stores";
 
     export let scheduleDay;
+    export let weekTypeName;
     export let updateSchedule;
 
     let addingEvent = false;
-    $: weekTypeName = scheduleDay?.events[0].weekTypeName;
     $: weekColor = weekTypeName === "Синяя неделя" ? "blue-text" : "red-text";
     
     let description = "", fio = "", building = "", room = "", timeBegin = "00:00", timeEnd = "00:00", typeWorkName;
@@ -126,8 +126,10 @@
             <!--New Event Button-->
             {#if !addingEvent}
             <div class="row max">
-                <button class="circle large hidden"/> <!-- Align button to event div -->
-                <button class="transparent border large" on:click={() => {addingEvent = true}}>
+                {#if scheduleDay.events.length > 0}
+                    <button class="circle large hidden"/> <!-- Align button to event div -->
+                {/if}
+                <button class={"transparent border large " + (scheduleDay.events.length === 0 ? "max" : "")} on:click={() => {addingEvent = true}}>
                     <MIcon class="large">calendar_add_on</MIcon>
                     <h5 class="padding">{$_('customScheduleSheet.newEvent', {default: 'Add'})}</h5>
                 </button>