Use server detected host for sharing URLs

src/routes/index.svelte

@@ -27,6 +27,7 @@
 
 <script>
     import { onMount } from 'svelte'
+    import { stores } from '@sapper/app'
     import {
         currentLocation,
         currentPhotos,
@@ -55,6 +56,7 @@
 
     // Props and variables
     export let photos
+    const { page } = stores()
 
     // Reset current location if existing
     $: {
@@ -76,7 +78,7 @@
 	<title>{$site.seo_name} - {$site.seo_title_default} planet Earth</title>
     <meta name="description" content={$site.seo_description_default}>
     <SocialMetas
-        url="https://housesof.world"
+        url="https://{$page.host}"
         title="{$site.seo_name} - {$site.seo_title_default} planet Earth"
         description={$site.seo_description_default}
         image={$site.seo_share_image.full_url}