Add FullCalendar integration with sample events and styling (#2363)

core/scss/tabler-vendors.scss

@@ -13,4 +13,4 @@
 @import "vendor/coloris";
 @import "vendor/typed";
 @import "vendor/turbo";
-
+@import "vendor/fullcalendar";

core/scss/vendor/_fullcalendar.scss

@@ -0,0 +1,55 @@
+:root {
+  --fc-border-color: var(--#{$prefix}border-color);
+  --fc-daygrid-event-dot-width: 5px;
+
+  --fc-event-bg-color: var(--#{$prefix}primary-lt);
+  --fc-event-border-color: var(--#{$prefix}primary-200);
+  --fc-event-text-color: var(--#{$prefix}body-color);
+}
+
+.fc-toolbar-title {
+  font-size: var(--#{$prefix}font-size-h3) !important;
+  font-weight: var(--#{$prefix}font-weight-medium);
+}
+
+.fc-daygrid-dot-event {
+  background-color: var(--fc-event-bg-color);
+  border: 1px solid var(--fc-event-border-color);
+  color: var(--fc-event-text-color);
+  padding-top: 1px;
+  padding-bottom: 1px;
+
+  .fc-event-title {
+    font-weight: inherit;
+  }
+}
+
+.fc-col-header-cell {
+  background-color: var(--#{$prefix}bg-surface-secondary);
+  color: var(--#{$prefix}secondary);
+  text-transform: uppercase;
+  font-weight: var(--#{$prefix}font-weight-medium);
+  font-size: var(--#{$prefix}font-size-h5);
+  padding-top: .5rem !important;
+  padding-bottom: .5rem !important;
+  line-height: 1;
+}
+
+.fc-event-time {
+  font-weight: var(--#{$prefix}font-weight-bold) !important;
+}
+
+.fc-col-header-cell-cushion {
+  color: inherit;
+}
+
+.fc-daygrid-day-number {
+  color: var(--#{$prefix}secondary);
+}
+
+.fc-button {
+  color: var(--#{$prefix}body-color) !important;
+  background-color: transparent !important;
+  border-color: var(--#{$prefix}border-color) !important;
+  font-weight: var(--#{$prefix}font-weight-medium) !important;
+}