Add UserPanel.

src/components/user_panel/user_panel.js

@@ -0,0 +1,18 @@
+import LoginForm from '../login_form/login_form.vue'
+
+const UserPanel = {
+  computed: {
+    user () { return this.$store.state.users.currentUser },
+    style () {
+      return {
+        color: `#${this.user.profile_link_color}`,
+        'background-image': `url(${this.user.cover_photo})`
+      }
+    }
+  },
+  components: {
+    LoginForm
+  }
+}
+
+export default UserPanel