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/Snackbar/index.svelte

@@ -5,6 +5,7 @@
 
   import { SNACKBAR_SEVERITY } from './constants';
   import { snackbarStore, snackbarStoreInitialState } from './store';
+  import { t } from '$lib/utils/functions/translations';
 
   let timeoutId: NodeJS.Timeout | undefined;
   let kind: 'error' | 'info' | 'info-square' | 'success' | 'warning' | 'warning-alt' = 'info';
@@ -41,8 +42,8 @@
     $snackbarStore.severity === SNACKBAR_SEVERITY.SUCCESS
       ? 'success'
       : $snackbarStore.severity === SNACKBAR_SEVERITY.ERROR
-      ? 'error'
-      : 'info';
+        ? 'error'
+        : 'info';
 </script>
 
 {#if $snackbarStore.open}
@@ -51,7 +52,7 @@
       <InlineNotification
         {kind}
         title={capitalizeFirstLetter(kind || '')}
-        subtitle={$snackbarStore.message}
+        subtitle={$t($snackbarStore.message)}
         on:close={(e) => {
           e.preventDefault();
           handleClose();

apps/dashboard/src/lib/components/Snackbar/store.js

@@ -12,7 +12,7 @@ export const snackbarStoreInitialState = {
 export const snackbarStore = writable({ ...snackbarStoreInitialState });
 
 export const snackbar = {
-  success(message = 'Success') {
+  success(message = 'snackbar.success') {
     snackbarStore.update((store) => {
       store.open = true;
       store.message = message;
@@ -21,7 +21,7 @@ export const snackbar = {
       return store;
     });
   },
-  error(message = 'Something went wrong - Please try later') {
+  error(message = 'snackbar.something') {
     snackbarStore.update((store) => {
       store.open = true;
       store.message = message;
@@ -30,7 +30,7 @@ export const snackbar = {
       return store;
     });
   },
-  info(message = 'Update') {
+  info(message = 'snackbar.updates') {
     snackbarStore.update((store) => {
       store.open = true;
       store.message = message;