Merge branch stabilization/2110 into development

Signed-off-by: Chris Burel <burelc@amazon.com>

Gems/AtomContent/ReferenceMaterials/gem.json

@@ -5,8 +5,15 @@
     "origin": "https://github.com/aws-lumberyard-dev/o3de.git",
     "type": "Asset",
     "summary": "Atom Asset Gem with a library of reference materials for StandardPBR (and others in the future)",
-    "canonical_tags": ["Gem"],
-    "user_tags": ["Assets", "PBR", "Materials"],
+    "canonical_tags": [
+        "Gem"
+    ],
+    "user_tags": [
+        "Assets",
+        "PBR",
+        "Materials"
+    ],
     "icon_path": "preview.png",
-    "dependencies": []
+    "dependencies": [],
+    "license_url": "https://github.com/o3de/o3de/blob/development/LICENSE.txt"
 }

Gems/AtomContent/Sponza/gem.json

@@ -2,6 +2,7 @@
     "gem_name": "Sponza",
     "display_name": "Sponza",
     "license": "Apache-2.0 Or MIT",
+    "license_url": "https://github.com/o3de/o3de/blob/development/LICENSE.txt",
     "origin": "Open 3D Engine - o3de.org",
     "type": "Asset",
     "summary": "A standard test scene for Global Illumination (forked from crytek sponza scene)",

Gems/AtomContent/gem.json

@@ -2,6 +2,7 @@
     "gem_name": "AtomContent",
     "display_name": "Atom Content",
     "license": "Apache-2.0 Or MIT",
+    "license_url": "https://github.com/o3de/o3de/blob/development/LICENSE.txt",
     "origin": "Open 3D Engine - o3de.org",
     "type": "Asset",
     "summary": "The Atom Content Gem provides assets for Atom Renderer and a modified version of the <a href='https://renderman.pixar.com/look-development-studio'>Pixar Look Development Studio</a>.",