General enquries feature

src/lib/components/ErrorModal.svelte

@@ -1,14 +1,18 @@
 <script lang="ts">
   export let email = 'info@goodwalk.co.nz';
+  export let enquiryType: 'booking' | 'general' = 'booking';
   export let onClose: () => void;
   export let onRetry: (() => void) | null = null;
   export let detail = '';
 
+  $: isGeneralEnquiry = enquiryType === 'general';
   $: mailtoHref =
     `mailto:${email}` +
-    `?subject=${encodeURIComponent('Booking enquiry')}` +
+    `?subject=${encodeURIComponent(isGeneralEnquiry ? 'General enquiry' : 'Booking enquiry')}` +
     `&body=${encodeURIComponent(
-      'Hi Aless,\n\nI tried to submit the booking form but it didn’t go through. Here are my details:\n\nName:\nPhone:\nDog’s name:\nLocation:\n\nThanks!'
+      isGeneralEnquiry
+        ? 'Hi Aless,\n\nI tried to submit the contact form but it didn’t go through. Here are my details:\n\nName:\nPhone:\nMessage:\n\nThanks!'
+        : 'Hi Aless,\n\nI tried to submit the booking form but it didn’t go through. Here are my details:\n\nName:\nPhone:\nDog’s name:\nLocation:\n\nThanks!'
     )}`;
 
   function handleKeydown(event: KeyboardEvent) {