Add Newsletter Component and Page

- Newsletter form on Subscribe page and at the end of the photos

src/routes/credits.svelte

@@ -17,6 +17,7 @@
     // Variables
     const { page } = stores()
     pageAnimation.set(animateIn)
+    const pageTitle = `${$site.seo_name} - Credits`
 
 
     /*
@@ -29,11 +30,11 @@
 </script>
 
 <svelte:head>
-	<title>{$site.seo_name} - Credits</title>
+	<title>{pageTitle}</title>
     <meta name="description" content={$site.credits_text}>
     <SocialMetas
-        url="https://{$page.host}/credits"
-        title="{$site.seo_name} - Credits"
+        url="https://{$page.host}{$page.path}"
+        title="{pageTitle}"
         description={$site.credits_text}
         image={$site.seo_share_image.full_url}
     />
@@ -43,7 +44,7 @@
     <section class="page">
         <div class="wrap">
             <div class="page__top">
-                <a href="/" class="button-control button-control--pink dir-left">
+                <a href="/" class="button-control button-control--lightpink dir-left">
                     <IconArrow direction="left" color="#fff" class="icon" />
                     <IconArrow direction="left" color="#fff" class="icon" hidden="true" />
                 </a>