ui-default: init

将ui-default合并至主存储库便于维护

packages/ui-default/components/discussion/discussion.page.styl

@@ -0,0 +1,17 @@
+.discussion-node-tag
+  font-size: rem($font-size-small)
+  display: inline-block
+  line-height: rem(22px)
+  padding: rem(0 10px)
+  vertical-align: middle
+  border-radius: rem(12px)
+  border: 1px solid $supplementary-border-color
+
+  &:hover
+    background: $primary-color
+    color: #FFF !important
+    text-decoration: none
+    border-color: $primary-color
+
+  .icon
+    margin-right: rem(5px)