add fills

src/oj/learn/components/ExerciseWidget.vue

@@ -3,11 +3,21 @@ import { Exercise } from "utils/types"
 
 const ExerciseMcq = defineAsyncComponent(() => import("./ExerciseMcq.vue"))
 const ExerciseSort = defineAsyncComponent(() => import("./ExerciseSort.vue"))
+const ExerciseFill = defineAsyncComponent(() => import("./ExerciseFill.vue"))
 
 defineProps<{ exercise: Exercise; lang?: string }>()
 </script>
 
 <template>
   <ExerciseMcq v-if="exercise.type === 'mcq'" :exercise="exercise" />
-  <ExerciseSort v-else-if="exercise.type === 'sort'" :exercise="exercise" :lang="lang" />
+  <ExerciseSort
+    v-else-if="exercise.type === 'sort'"
+    :exercise="exercise"
+    :lang="lang"
+  />
+  <ExerciseFill
+    v-else-if="exercise.type === 'fill'"
+    :exercise="exercise"
+    :lang="lang"
+  />
 </template>