Adds Online Booking configuration and preview components

Introduces comprehensive online booking feature with:
- Localization support for booking settings
- ViewComponents for booking URL, settings, company info, hours, and preview
- Responsive preview with device toggle functionality
- Integrated with settings page and translation files

Enhances application's online booking configuration interface

PlanTempus.Application/Features/Settings/Pages/Index.cshtml

@@ -18,18 +18,10 @@
 
     <!-- Tab Bar -->
     <swp-tab-bar>
-        <swp-tab class="active" data-tab="general">
-            <i class="ph ph-buildings"></i>
-            <span localize="settings.tabs.company">Virksomhed</span>
-        </swp-tab>
-        <swp-tab data-tab="calendar">
+        <swp-tab class="active" data-tab="calendar">
             <i class="ph ph-calendar"></i>
             <span localize="settings.tabs.calendar">Kalender</span>
         </swp-tab>
-        <swp-tab data-tab="booking">
-            <i class="ph ph-globe"></i>
-            <span localize="settings.tabs.booking">Online Booking</span>
-        </swp-tab>
         <swp-tab data-tab="billing">
             <i class="ph ph-receipt"></i>
             <span localize="settings.tabs.billing">Faktura & Kvittering</span>
@@ -53,27 +45,13 @@
     </swp-tab-bar>
 </swp-sticky-header>
 
-<!-- Tab Content: Virksomhed -->
-<swp-tab-content data-tab="general" class="active">
-    <swp-page-container>
-        @await Component.InvokeAsync("SettingsGeneral")
-    </swp-page-container>
-</swp-tab-content>
-
 <!-- Tab Content: Kalender -->
-<swp-tab-content data-tab="calendar">
+<swp-tab-content data-tab="calendar" class="active">
     <swp-page-container>
         @await Component.InvokeAsync("SettingsCalendar")
     </swp-page-container>
 </swp-tab-content>
 
-<!-- Tab Content: Online Booking -->
-<swp-tab-content data-tab="booking">
-    <swp-page-container>
-        @await Component.InvokeAsync("SettingsBooking")
-    </swp-page-container>
-</swp-tab-content>
-
 <!-- Tab Content: Faktura & Kvittering -->
 <swp-tab-content data-tab="billing">
     <swp-page-container>