feat: prompt user to new course modal after welcome modal (#38)

* Update WelcomeModal.svelte to prompt user to new course modal after closing Welcome Modal

* pr fixes

---------

Co-authored-by: Rotimi Best <best@classroomio.com>

src/lib/components/WelcomeModal/WelcomeModal.svelte

@@ -3,9 +3,12 @@
   import { writable } from 'svelte/store';
   import { onMount, onDestroy } from 'svelte';
   import { welcomeModalStore } from './store';
+  import { goto } from '$app/navigation';
+  import { currentOrgPath } from '$lib/utils/store/org';
 
   const closeModal = () => {
     $welcomeModalStore.open = false;
+    goto($currentOrgPath + '/courses?create=true');
   };
 </script>