feat: multi language support (#254)

* feat: multitranslational support

* - completion of settings page
- completion of sidebar

* sidebar rerendering bug fix

* completion of the lesson navigation & materials page

* completion of the course navigation

* completion of requested languages

* - Implementation of Language Picker
- Rename Bug Fixes

* checkpoint save

* - addition of the language picker to the onboarding.
- addition of the language switcher for the lesson notes.

* merge completion

* initialization of the new branch

* add transition.svelte file

* lesson note bug fix

* feat: add translation migration

* completion of translation

* fix height issue of dropdown

* refactoring

* fix: improve code with LOCALE from db

* finally get it fully functional

* connect with AI

* backward compatibility for lesson note

* preserve old content, when generating AI content

* undo translations in upgrade modal

* fix duplicate key issue from codacy trigger

---------

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

apps/dashboard/src/lib/components/UploadImage/index.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
   import Camera from 'carbon-icons-svelte/lib/Camera.svelte';
+  import { t } from '$lib/utils/functions/translations';
 
   export let avatar: string | undefined;
   export let src: string | undefined;
@@ -45,7 +46,8 @@
       fileinput.click();
     }}
   >
-    <Camera size={20} /> <span class="ml-2">Upload Image</span>
+    <Camera size={20} />
+    <span class="ml-2">{$t('settings.profile.profile_picture.upload_image')}</span>
   </button>
   {#if errorMessage}
     <p class="text-sm text-red-500">{errorMessage}</p>