feat: mock exercise template api (#613)

* feat: move mock exercise template to api

* feat: add template migration file

* chore:
- remove exercise templates form api
- rework api to pull exercise templates from db
- add exercise template seed to seed file
- declutter seed file

* chore:
- refactor template fetch to be dependent on the selected tag
- add tag to schema, remote db and template's seed file
- clear remote db's template table and replace data and their respective tags

* chore: add number of questions and center loading screen on the frontend

* chore: pr fixes

* chore: type fixes

* chore:
- move seed functionality to /seed folder
- add typing for individual seed functions
- pr fixes

* chore: pr fixes v2

* update output css

* refactor: update seeding script and schema definitions

- Renamed `seedTypes` to `seedQuestionTypes` for clarity in the seeding process.
- Enhanced the seeding script to include a command-line interface for better usability, allowing specific seed functions to be executed based on flags.
- Removed redundant unique constraints in the schema definitions for `courseNewsfeedComment` and `exerciseTemplate` to streamline database structure.

* feat: add email verification error handling page and update session management

- Introduced a new page for handling email verification errors, providing user-friendly messages based on error types.
- Updated session management logic to improve handling of public routes and session states.
- Enhanced security policies in the Svelte configuration to include additional sources for styles and scripts.
- Removed the old email verification error page to streamline the codebase.

* move the exercise template to cloudflare cdn

---------

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

apps/dashboard/src/routes/+layout.svelte

@@ -71,15 +71,17 @@
   // The goal of this effect is to make sure that we do a redirect to /login if the session data is expired
   // This should be happening on the hooks.server.ts but we've made the home page public so we can show a loading spinner while the app is initializing OR an error message if the backend is down.
   $effect(() => {
-    if ($session.isPending || $session.isRefetching) {
+    if ($session.isPending || $session.isRefetching || !!$session.data) {
       console.log('session is pending or refetching');
       return;
     }
     console.log('path', path);
     console.log('isPublicRoute', isPublicRoute(path));
+    console.log('data', $session.data)
+
 
     // No need to require login for public routes
-    if (isPublicRoute(path)) return;
+    if (isPublicRoute(path) && path !== '/') return;
 
     if (!$session.data && path !== '/login') {
       console.log('session data is not available, go to login');