Add feature: Students can send in new questions

pages/courses/_course.vue

@@ -11,7 +11,10 @@
         <v-btn depressed color="primary" @click="playCoop">Co-op Mode</v-btn>
       </v-col>
       <v-col cols="12">
-        <AddQuestionComponent />
+        <AddClosedEndedQuestion />
+      </v-col>
+      <v-col cols="12">
+        <AddOpenEndedQuestion />
       </v-col>
     </v-row>
   </v-container>