fix(calendar): day of week slot

Author: farnabaz

src/components/core/calendar.vue

@@ -39,10 +39,9 @@
       >
         <template
           slot="day-of-week"
-          slot-scope="wd, index">
-
+          slot-scope="{wd, index}">
           <slot
-            v-bind="wd, index"
+            v-bind="{wd, index}"
             name="day-of-week">
             {{ wd }}
           </slot>

src/components/core/month.vue

@@ -12,7 +12,7 @@
         class="col">
         <div class="vuec-week-content">
           <slot
-            v-bind="wd, index"
+            v-bind="{wd, index}"
             name="day-of-week">
             {{ wd }}
           </slot>