feat: add back button on login page to return to landing page (#808)

* Back button in Login page

Modified the back button to have two options, href option and onlick

The onClick bceomes usable when there's no href prop

and the onClick takes you directly to the previous page

While the href takes you to the url you indicated

* added a showBack condition to show the button

* modified the onClick function

* Removed the back button, made the Image act as the back button

* Changed the OAuth place holder

* Update back-button.svelte

* remove f

---------

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

apps/dashboard/src/lib/features/ui/auth-ui.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
   import type { Snippet } from 'svelte';
   import { page } from '$app/state';
+  import { resolve } from '$app/paths';
   import * as Avatar from '@cio/ui/base/avatar';
   import { t } from '$lib/utils/functions/translations';
   import { currentOrg } from '$lib/utils/store/org';
@@ -82,13 +83,19 @@
   <Card.Root class="ui:w-full relative z-10 max-w-[400px] shadow-sm">
     {#if !showOnlyContent || showLogo}
       <Card.Header class="ui:flex ui:flex-col ui:items-center ui:gap-4">
-        <Avatar.Root>
-          <Avatar.Image
-            src={$currentOrg.avatarUrl ? $currentOrg.avatarUrl : '/logo-192.png'}
-            alt={$currentOrg.name ? $currentOrg.name : 'ClassroomIO'}
-          />
-          <Avatar.Fallback>{$currentOrg.name ? $currentOrg.name : 'ClassroomIO'}</Avatar.Fallback>
-        </Avatar.Root>
+        <a
+          href={resolve(ROUTE.HOME, {})}
+          class="ui:inline-flex"
+          aria-label={$currentOrg.name ? $currentOrg.name : 'ClassroomIO'}
+        >
+          <Avatar.Root>
+            <Avatar.Image
+              src={$currentOrg.avatarUrl ? $currentOrg.avatarUrl : '/logo-192.png'}
+              alt={$currentOrg.name ? $currentOrg.name : 'ClassroomIO'}
+            />
+            <Avatar.Fallback>{$currentOrg.name ? $currentOrg.name : 'ClassroomIO'}</Avatar.Fallback>
+          </Avatar.Root>
+        </a>
 
         {#if !showOnlyContent}
           <a href="/">
@@ -112,7 +119,7 @@
         <div class="mt-6 flex flex-col gap-6">
           <div class="relative flex items-center justify-center">
             <Separator />
-            <span class="ui:bg-card ui:text-muted-foreground absolute px-2 text-sm"> Or continue With </span>
+            <span class="ui:bg-card ui:text-muted-foreground absolute px-2 text-sm">{$t('login.continue_with')}</span>
           </div>
 
           {#if getPasswordAuthAlternative}