Updated the MultiplayerSample gem.json to be O3DE format

Signed-off-by: lumberyard-employee-dm <[email protected]>

Gem/gem.json

@@ -1,11 +1,21 @@
 {
     "gem_name": "MultiplayerSample",
-    "GemFormatVersion": 4,
-    "Uuid": "8d7f210742af4b8c8813d593f4c46cf2",
-    "Name": "MultiplayerSample",
-    "DisplayName": "MultiplayerSample",
-    "Summary": "MultiplayerSample Project Gem..",
-    "Tags": ["Game"],
-    "IconPath": "preview.png",
-    "IsGameGem": true
+    "display_name": "MultiplayerSample",
+    "license": "What license MultiplayerSample uses goes here: i.e. Apache-2.0 or MIT",
+    "license_url": "Link to the license web site goes here: i.e. https://opensource.org/licenses/Apache-2.0 Or https://opensource.org/licenses/MIT",
+    "origin": "The name of the originator goes here. i.e. XYZ Inc.",
+    "origin_url": "The primary repo for MultiplayerSample goes here: i.e. http://www.mydomain.com",
+    "type": "",
+    "summary": "A short description of MultiplayerSample.",
+    "canonical_tags": [
+        "Gem"
+    ],
+    "user_tags": [
+        "MultiplayerSample"
+    ],
+    "icon_path": "preview.png",
+    "requirements": "",
+    "documentation_url": "",
+    "dependencies": [
+    ]
 }