Add list timeline rendering functionality

the list name is missing; this is because the API request to get it is different
to the API request for receiving the list timeline, and is not yet implemented.

src/components/list_timeline/list_timeline.js

@@ -0,0 +1,23 @@
+import Timeline from '../timeline/timeline.vue'
+const ListTimeline = {
+  data () {
+    return {
+      listId: null
+    }
+  },
+  components: {
+    Timeline
+  },
+  computed: {
+    timeline () { return this.$store.state.statuses.timelines.list }
+  },
+  created () {
+    this.listId = this.$route.params.id
+    this.$store.dispatch('startFetchingTimeline', { timeline: 'list', listId: this.listId })
+  },
+  unmounted () {
+    this.$store.dispatch('stopFetchingTimeline', 'list')
+  }
+}
+
+export default ListTimeline

src/components/list_timeline/list_timeline.vue

@@ -0,0 +1,10 @@
+<template>
+  <Timeline
+    title="list.name"
+    :timeline="timeline"
+    :list-id="listId"
+    timeline-name="list"
+  />
+</template>
+
+<script src="./list_timeline.js"></script>

src/components/timeline/timeline.js

@@ -18,6 +18,7 @@ const Timeline = {
     'timelineName',
     'title',
     'userId',
+    'listId',
     'tag',
     'embedded',
     'count',
@@ -101,6 +102,7 @@ const Timeline = {
       timeline: this.timelineName,
       showImmediately,
       userId: this.userId,
+      listId: this.listId,
       tag: this.tag
     })
   },
@@ -156,6 +158,7 @@ const Timeline = {
         older: true,
         showImmediately: true,
         userId: this.userId,
+        listId: this.listId,
         tag: this.tag
       }).then(({ statuses }) => {
         if (statuses && statuses.length === 0) {