Initial docfx documentation placeholder files (#194)

This is documentation changes only so I'm just going to merge directly.  The PR is for FYI purposes.   Please leave feedback on the commit if you see anything I should follow-up on with this documentation.

docs/template/partials/namespace.tmpl.partial

@@ -0,0 +1,21 @@
+{{!Copyright (c) Microsoft. All rights reserved. Licensed under the MIT license. See LICENSE file in the project root for full license information.}}
+
+{{^_disableContribution}}
+{{#docurl}}
+<a href="{{docurl}}" class="pull-right mobile-hide"><span class="fa fa-github"></span>{{__global.improveThisDoc}}</a>
+{{/docurl}}
+{{#sourceurl}}
+<a href="{{sourceurl}}" class="pull-right mobile-hide">{{__global.viewSource}}</a>
+{{/sourceurl}}
+{{/_disableContribution}}
+<h1 id="{{id}}" data-uid="{{uid}}">{{>partials/title}}</h1>
+<div class="markdown level0 summary">{{{summary}}}</div>
+<div class="markdown level0 conceptual">{{{conceptual}}}</div>
+<div class="markdown level0 remarks">{{{remarks}}}</div>
+{{#children}}
+  <h3 id="{{id}}">{{>partials/namespaceSubtitle}}</h3>
+  {{#children}}
+    <h4>{{{specName.0.value}}}</h4>
+    <section>{{{summary}}}</section>
+  {{/children}}
+{{/children}}