add article and article part pages, extend article store

src/views/ArticlePart.vue

@@ -0,0 +1,33 @@
+<template>
+    <v-container grid-list-md v-if="part">
+        <v-layout row wrap>
+            <v-flex xs12 sm10 offset-sm1>
+                <!-- content -->
+            </v-flex>
+            <v-flex xs12 sm10 offset-sm1>
+                <!-- words -->
+            </v-flex>
+        </v-layout>
+    </v-container>
+</template>
+
+<script>
+    export default {
+        props: {
+            articleId: {
+                type: String,
+                required: true,
+            },
+            partId: {
+                type: String,
+                required: true,
+            },
+        },
+        computed: {
+            part() {
+                return this.$store.getters.getParts.find(part => part.articleId === this.articleId
+                    && part.articlePartId === this.partId);
+            }
+        }
+    };
+</script>