Add the nCine addon

Author: encelo

.gitmodules

@@ -199,3 +199,7 @@
 [submodule "addons/dontstarve/module"]
 	path = addons/dontstarve/module
 	url = https://github.com/LuaCATS/dontstarve
+[submodule "addons/ncine/module"]
+	path = addons/ncine/module
+	url = https://github.com/nCine/nCine-LuaCATS.git
+	branch = addon

addons/ncine/info.json

@@ -0,0 +1,5 @@
+{
+  "$schema": "https://raw.githubusercontent.com/LuaLS/LLS-Addons/main/schemas/addon_info.schema.json",
+  "name": "nCine",
+  "description": "Definitions for the nCine, a cross-platform 2D game framework with an emphasis on performance"
+}