feat: Update course landing page with sections (#456)

* feat: add sections ui to the landing page

* quick fixes

* quick fixes

* feat: add translations

* run translation script

* fix: sections not showing on the landing page

---------

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

apps/dashboard/src/lib/utils/translations/pt.json

@@ -393,7 +393,11 @@
             "instructor": "Instrutor",
             "pricing": "Preços"
           }
-        }
+        },
+        "course_content": "Conteúdo do curso",
+        "modules": "Módulos",
+        "lessons": "lições",
+        "exercises": "exercícios"
       },
       "certificates": {
         "title": "Certificados",