feat: improve self paced lesson card (#344)

* finished the self paced card

* made the reorder for both course type

* added translations

* chore: refactor to positive naming and not negative

* ux improvements

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

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

@@ -743,11 +743,16 @@
           "edit": "Editar",
           "delete": "Borrar",
           "lock": "Cerrar",
-          "unlock": "desbloquear"
+          "unlock": "desbloquear",
+          "start_reorder": "Reordenar",
+          "end_reorder": "Finalizar reorden"
         },
         "disabled": "La característica está deshabilitada",
         "next": "Próximo",
-        "prev": "Anterior"
+        "prev": "Anterior",
+        "drag": "arrastra una tarjeta para reordenar",
+        "no_lesson": "Aún no hay lecciones",
+        "share_your_knowledge": "Comparta sus conocimientos con el mundo creando lecciones interesantes. Comience haciendo clic en el botón Agregar."
       },
       "news_feed": {
         "heading": "Noticias",