[new feature] Coupon add 'showExchangeBar' prop && add empty style (#243)

* [bugfix] Checkbox border render error in weixin browser

* [bugfix] TreeSelect dependency path error

* [bugfix] Swipe should clear autoplay timer when destroyed

* [bugfix] Optimize component dependency analyze when build style entry

* merge

* update yarn.lock

* update README.md

* update README.md

* update README.md

* update README.md

* update README.md

* [Doc] add more badges in README.md

* update README.md

* [bugfix] Address & Contact list style

* fix: contact test cases

* [bugfix] popup style missing when build style entry

* [bugfix] Search: onSearch event arguments missing

* [Doc] add demo pages

* update zan-doc@0.3.7

* fix: build entry error

* [Doc] add goods demo

* [bugfix] button primary background color

* [Doc] update doc detail

* [new feature] Coupon add 'showExchangeBar' prop && add empty style

yarn.lock

@@ -8262,9 +8262,9 @@ yeast@0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/yeast/-/yeast-0.1.2.tgz#008e06d8094320c372dbc2f8ed76a0ca6c8ac419"
 
-zan-doc@^0.3.8:
-  version "0.3.8"
-  resolved "https://registry.yarnpkg.com/zan-doc/-/zan-doc-0.3.8.tgz#96eb93a196963e95af15527a426270ae73375351"
+zan-doc@^0.3.9:
+  version "0.3.9"
+  resolved "https://registry.yarnpkg.com/zan-doc/-/zan-doc-0.3.9.tgz#4a666408569aee6481590aba281cf40c98ce89b7"
   dependencies:
     cheerio "0.22.0"
     decamelize "^1.2.0"