Build docs and added tutorial files

docs/build/html/_sources/tutorials.rst.txt

@@ -0,0 +1,14 @@
+Tutorials
+=============
+
+.. toctree::
+    :maxdepth: 4
+
+    tutorials.extend-application
+    tutorials.create-startup
+    tutorials.extend-startup
+    tutorials.appsettings
+    tutorials.console-arguments
+    tutorials.console
+    tutorials.logging
+    tutorials.mail