Make m.file messages directly downloadable

Work on issue #114.

src/components/messages/MessageOutgoingFile.vue

@@ -0,0 +1,48 @@
+<template>
+  <div class="messageOut">
+    <div class="op-button" ref="opbutton">
+      <v-btn icon @click.stop="showContextMenu($refs.opbutton)"
+        ><v-icon>more_vert</v-icon></v-btn
+      >
+    </div>
+    <div class="bubble">
+      <QuickReactions :event="event" :reactions="reactions" />
+      <div class="original-message" v-if="inReplyToText">
+        <div class="original-message-sender">
+          {{ inReplyToSender || "Someone" }} said:
+        </div>
+        <div class="original-message-text" v-html="linkify($sanitize(inReplyToText))" />
+      </div>
+
+      <div class="message">
+        <span>File: </span>
+        <span style="cursor:pointer" @click.stop="$emit('download')" v-html="linkify($sanitize(messageText))" />
+        <span class="edit-marker" v-if="event.replacingEventId()"
+          >(edited)</span
+        >
+      </div>
+    </div>
+    <v-avatar class="avatar" size="32" color="#ededed" @click.stop="ownAvatarClicked">
+      <img v-if="userAvatar" :src="userAvatar" />
+      <span v-else class="white--text headline">{{ userAvatarLetter }}</span>
+    </v-avatar>
+    <!-- <div class="sender">{{ "You" }}</div> -->
+    <div class="senderAndTime">
+      <div class="time">
+        {{ formatTime(event.event.origin_server_ts) }}
+      </div>
+      <div class="status">{{ event.status }}</div>
+    </div>
+  </div>
+</template>
+
+<script>
+import messageMixin from "./messageMixin";
+
+export default {
+  mixins: [messageMixin],
+};
+</script>
+<style lang="scss">
+@import "@/assets/css/chat.scss";
+</style>