Update doc links

Author: mythz

README.md

@@ -2,16 +2,16 @@
 
 > Northwind database viewer, showing how to easily expose read and cached view services of an internal dataset with ServiceStack + OrmLite
 
-[![](https://raw.githubusercontent.com/ServiceStack/Assets/master/img/livedemos/northwind.png)](http://northwind.netcore.io)
+[![](https://raw.githubusercontent.com/ServiceStack/Assets/master/img/livedemos/northwind.png)](https://northwind.netcore.io)
 
 #### Features
 
- - [AutoQuery](https://docs.servicestack.net/autoquery-rdbms.html)
+ - [AutoQuery](https://docs.servicestack.net/autoquery-rdbms)
  - [OrmLite Sqlite](https://github.com/ServiceStack.OrmLite)
- - [Multiple automatic built-in Content-Types](http://northwind.netcore.io/default.htm)
+ - [Multiple automatic built-in Content-Types](https://northwind.netcore.io)
  - [Custom Media Types - Adding vcard format](http://northwind.netcore.io/vcard-format.htm)
  - [1 CachedService](https://github.com/NetCoreApps/Northwind/blob/master/src/Northwind.ServiceInterface/CachedServices.cs)
 
-Try it out live at: [northwind.netcore.io](http://northwind.netcore.io)
+Try it out live at: [northwind.netcore.io](https://northwind.netcore.io)
 
-Follow [@ServiceStack](http://twitter.com/ServiceStack) for updates.
+Follow [@ServiceStack](https://twitter.com/ServiceStack) for updates.