Updating license files to include CC0 for assets

Signed-off-by: Pratik Patel <[email protected]>

LICENSE-CC-BY-4.0.txt

@@ -0,0 +1,4 @@
+Copyright 2022 Amazon.com, Inc. or its affiliates, all rights reserved.
+
+Documentation content excluding code, and including images, is licensed under a Creative Commons Attribution 4.0 International License, available at https://creativecommons.org/licenses/by/4.0/.
+

LICENSE-CC-BY-NC-4.0.txt

@@ -0,0 +1,5 @@
+Loft Arch Vis Sample Assets
+Copyright 2022 Amazon.com, Inc. or its affiliates, all rights reserved.
+
+3D models, image textures, and other asset files are licensed under a Creative Commons Attribution-NonCommercial 4.0 International License, available at http://creativecommons.org/licenses/by-nc/4.0/.
+

LICENSE.txt

@@ -1,3 +1,22 @@
+## LICENSE
+
+PROJECT DATA: "ROSConDemo/Project"
+URL: https://github.com/aws-lumberyard/ROSConDemo/tree/main/Project/Assets
+The project data and code samples, including inline code, and related data
+are dual-licensed under Apache 2.0 and the MIT licenses.
+(see LICENSE-APACHE2.txt and LICENSE_MIT.TXT)
+
+ASSET DATA: "ROSConDemo/tree/main/Project/Assets"
+URL: https://github.com/aws-lumberyard/ROSConDemo/tree/main/Project/Assets
+The ROSConDemo Project and it's contents including 3D models, image textures,
+and other game asset files are licensed under the Creative Commons license
+Attribution-NonCommercial 4.0 International (see LICENSE-CC-BY-NC-4.0.txt)
+
+DOCUMENTATION
+Any additional documentation content excluding code, and including images,
+is licensed under the Creative Commons license Attribution 4.0 International
+(See LICENSE-CC-BY-4.0.txt)
+
 OPEN 3D ENGINE LICENSING
 The default license for Open 3D Engine is the Apache License, Version 2.0 
 (see LICENSE_APACHE2.TXT); you may elect at your option to use the Open 3D