feat: added learn page

- added sections to the lesson to handle multiple sesions like examples and exercises
- added livecode integration to lesson pages
- autosave and submiting the answers is not done yet

community/www/courses/discuss/index.html

@@ -14,10 +14,12 @@
   <div class="batch-header">
     {{ BatchHearder(course.name, member_count) }}
   </div>
-  <div class="message-section">
-    {{ Messages(messages) }}
+  <div class="messages">
+    <div class="message-section">
+      {{ Messages(messages) }}
+    </div>
+    {{ TextArea() }}
   </div>
-  {{ TextArea() }}
 </div>
 {% endblock %}
 
@@ -44,4 +46,4 @@
   <input type="text" class="msger-input" placeholder="Write your message...">
   <button type="submit" class="msger-send-btn" data-batch="{{batch.name | urlencode }}">Send</button>
 </form>
-{% endmacro %}
+{% endmacro %}