CB-14225 fix sample Namespace Serialize attribute in template/Properties/Default.rd.xml (#286)

### Original issue

<https://issues.apache.org/jira/browse/CB-14225>

### Platforms affected

Windows

### What does this PR do?

- Fix sample Namespace Serialize attribute in `template/Properties/Default.rd.xml`, according to `Default.rd.xml` in C# UWP project generated by Visual Studio 2017

I also raised <microsoft/Windows-universal-samples#950> to apply a similar fix there.

Also related:
- #284 - fix license text & add link to `template/Properties/Default.rd.xml` (as reported in <https://issues.apache.org/jira/browse/CB-14224>)
- <microsoft/Windows-universal-samples#949> - fix license txt (related to but not part of #284)

### What testing has been done on this change?

- Visual inspection
- check diff

### Checklist

- [x] [Reported an issue](http://cordova.apache.org/contribute/issues.html) in the JIRA database
- [x] Commit message follows the format: "CB-3232: (android) Fix bug with resolving file paths", where CB-xxxx is the JIRA ID & "android" is the platform affected.
- ~~Added automated test coverage as appropriate for this change.~~

Author: Chris Brody

template/Properties/Default.rd.xml

@@ -12,7 +12,7 @@
     <TypeInstantiation Name="App1.AppClass" Arguments="System.Int32" Activate="Required Public" />
 
     Using the Namespace directive to apply reflection policy to all the types in a particular namespace
-    <Namespace Name="DataClasses.ViewModels" Seralize="All" />
+    <Namespace Name="DataClasses.ViewModels" Serialize="All" />
 
     The MIT License (MIT)