Basic attachments, some retweet fixes.

src/components/attachment/attachment.js

@@ -0,0 +1,21 @@
+import nsfwImage from '../../assets/nsfw.jpg'
+
+const Attachment = {
+  props: [
+    'attachment',
+    'nsfw'
+  ],
+  data: () => ({ nsfwImage }),
+  computed: {
+    type () {
+      return 'image'
+    }
+  },
+  methods: {
+    showNsfw () {
+      this.nsfw = false
+    }
+  }
+}
+
+export default Attachment