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/routes/api/completion/+server.js

@@ -21,7 +21,8 @@ const instruction = {
 
 export async function POST({ request }) {
   const { prompt } = await request.json();
-  const { courseTitle, lessonTitle, type } = JSON.parse(prompt);
+  const { courseTitle, lessonTitle, type, locale } = JSON.parse(prompt);
+
   const response = await openai.createChatCompletion({
     model: 'gpt-3.5-turbo',
     messages: [
@@ -31,7 +32,7 @@ export async function POST({ request }) {
       },
       {
         role: 'user',
-        content: `Generate ${instruction[type]} given the course title is "${courseTitle}" and the title of the lesson is "${lessonTitle}". Format in HTML without any styling. MOST IMPORTANT DON'T include the title of the course and don't include the lesson title: "${lessonTitle}" in your output. Please make sure the content is well detailed.`
+        content: `Generate ${instruction[type]} given the course title is "${courseTitle}" and the title of the lesson is "${lessonTitle}". Format in HTML without any styling. MOST IMPORTANT DON'T include the title of the course and don't include the lesson title: "${lessonTitle}" in your output. Please make sure the content is well detailed and you output the content in this locale: ${locale}`
       }
     ],
     stream: true