[feat]Splashpage will display happening next event if no event is happening now

app/views/conferences/_about_and_happening_now.haml

@@ -3,7 +3,8 @@
     = render 'happening_now', conference: conference,
       events_schedules: events_schedules, pagy: pagy,
       events_schedules_length: events_schedules_length,
-      events_schedules_limit: events_schedules_limit
+      events_schedules_limit: events_schedules_limit,
+      is_happening_next: is_happening_next
 
 = content_for :about do
   #about

app/views/conferences/_happening_now.haml

@@ -1,7 +1,11 @@
 - if conference.splashpage.include_program && conference.splashpage.include_happening_now
   - if events_schedules.any?
     .row
-      %h2.text-center{ style: 'margin-bottom:30px' } Happening Now
+      %h2.text-center{ style: 'margin-bottom:30px' } 
+        - if is_happening_next
+          Happening Next
+        - else
+          Happening Now
     - events_schedules.each do |event_schedule|
       = render 'schedules/event', conference: conference, event_schedule: event_schedule, event: event_schedule.event, is_brief: true
     - if events_schedules_length > events_schedules_limit

app/views/conferences/show.html.haml

@@ -49,7 +49,8 @@
     = render 'about_and_happening_now', conference: @conference,
       events_schedules: @events_schedules, pagy: @pagy,
       events_schedules_length: @events_schedules_length,
-      events_schedules_limit: @events_schedules_limit
+      events_schedules_limit: @events_schedules_limit,
+      is_happening_next: @is_happening_next
 
   -# calls for content, or program
   - if @conference.splashpage.include_cfp