Add litedb and ZeroMQ to general.md (#660)

* add litedb and ZeroMQ

* Update general.md

* Update general.md

Co-authored-by: Savorboard <yangxiaodong1214@126.com>

docs/content/user-guide/zh/storage/general.md

@@ -70,4 +70,6 @@ CallbackName |	回调的订阅者名称 | string
 
 * SQLite ([@colinin](https://github.com/colinin)) ： https://github.com/colinin/DotNetCore.CAP.Sqlite   
 
-* SQLite & Oracle ([@cocosip](https://github.com/cocosip)) ： https://github.com/cocosip/CAP-Extensions   
+* LiteDB  ([@maikebing](https://github.com/maikebing)) https://github.com/maikebing/CAP.Extensions/tree/master/src/DotNetCore.CAP.LiteDB
+
+* SQLite & Oracle ([@cocosip](https://github.com/cocosip)) ： https://github.com/cocosip/CAP-Extensions   

docs/content/user-guide/zh/transport/general.md

@@ -26,4 +26,11 @@ CAP 支持以下几种运输方式：
 > http://geekswithblogs.net/michaelstephenson/archive/2012/08/12/150399.aspx
 
 >`Kafka` vs `RabbitMQ` :   
-> https://stackoverflow.com/questions/42151544/is-there-any-reason-to-use-rabbitmq-over-kafka
+> https://stackoverflow.com/questions/42151544/is-there-any-reason-to-use-rabbitmq-over-kafka
+
+## 社区支持的运输器
+
+感谢社区对CAP的支持，以下是社区支持的运输器实现
+
+* ZeroMQ  ([@maikebing](https://github.com/maikebing)) https://github.com/maikebing/CAP.Extensions/tree/master/src/DotNetCore.CAP.ZeroMQ
+