Add cgmanifest and NOTICE file to template project (#682)

sdk/template/azure-template/NOTICE.txt

@@ -0,0 +1,32 @@
+azure-sdk-for-cpp
+
+NOTICES AND INFORMATION
+Do Not Translate or Localize
+
+This software incorporates material from third parties. Microsoft makes certain
+open source code available at https://3rdpartysource.microsoft.com, or you may
+send a check or money order for US $5.00, including the product name, the open
+source component name, and version number, to:
+
+Source Code Compliance Team
+Microsoft Corporation
+One Microsoft Way
+Redmond, WA 98052
+USA
+
+Notwithstanding any other terms, you may reverse engineer this software to the
+extent required to debug changes to any libraries licensed under the GNU Lesser
+General Public License.
+
+------------------------------------------------------------------------------
+
+Azure SDK for C++ uses third-party libraries or other resources that may be
+distributed under licenses different than the Azure SDK for C++ software.
+
+In the event that we accidentally failed to list a required notice, please
+bring it to our attention. Post an issue or email us:
+
+           azcppsdkhelp@microsoft.com
+
+The attached notices are provided for information only.
+

sdk/template/azure-template/cgmanifest.json

@@ -0,0 +1,15 @@
+{
+    "Registrations": [
+        {
+            "Component": {
+                "Type": "other",
+                "Other": {
+                    "Name": "doxygen",
+                    "Version": "1.8.20",
+                    "DownloadUrl": "http://doxygen.nl/files/doxygen-1.8.20-setup.exe"
+                }
+            },
+            "DevelopmentDependency": true
+        }
+    ]
+}