Dynamic message UI

Also, WIP: send and receive images.

src/components/messages/MessageOutgoingImage.vue

@@ -0,0 +1,36 @@
+<template>
+  <div>
+    <div class="messageOut">
+      <div class="sender">{{ "You" }}</div>
+      <div class="bubble">
+        <v-img :aspect-ratio="16/9" ref="image" :src="src" contain />
+      </div>
+      <div class="status">{{ event.status }}</div>
+    </div>
+    <div class="time">
+      {{ formatTime(event.event.origin_server_ts) }}
+    </div>
+  </div>
+</template>
+
+<script>
+import messageMixin from "./messageMixin";
+
+export default {
+  mixins: [messageMixin],
+  data() {
+    return {
+      src: null
+    }
+  },
+  mounted() {
+    const width = this.$refs.image.$el.clientWidth;
+    const height = (width * 9) / 16;
+    this.src = this.$matrix.matrixClient.mxcUrlToHttp(this.event.getContent().url, width, height, 'scale', false);
+  }
+};
+</script>
+
+<style lang="scss">
+@import "@/assets/css/chat.scss";
+</style>