Add article part page content. Some small refactoring

src/views/ArticlePart.vue

@@ -2,16 +2,19 @@
     <v-container grid-list-md v-if="part">
         <v-layout row wrap>
             <v-flex xs12 sm10 offset-sm1>
-                <!-- content -->
+                <book-part-content :part="part"></book-part-content>
             </v-flex>
             <v-flex xs12 sm10 offset-sm1>
-                <!-- words -->
+                <book-part-words :words="part.words"></book-part-words>
             </v-flex>
         </v-layout>
     </v-container>
 </template>
 
 <script>
+    import BookPartContent from '@/components/Article/Part/Content';
+    import BookPartWords from '@/components/Article/Words';
+
     export default {
         props: {
             articleId: {
@@ -28,6 +31,10 @@
                 return this.$store.getters.getParts.find(part => part.articleId === this.articleId
                     && part.articlePartId === this.partId);
             }
-        }
+        },
+        components: {
+            BookPartContent,
+            BookPartWords,
+        },
     };
 </script>