catalogue: add com.coreparadox.opendeck.magtran-m3

catalogue.json

@@ -101,6 +101,12 @@
 		"repository": "https://github.com/ambiso/opendeck-akp05",
 		"description": "An unofficial OpenDeck plugin for Ajazz Akp05 / Mirabox N4-family devices"
 	},
+	"com.coreparadox.opendeck.magtran-m3": {
+		"name": "MagTran M3",
+		"author": "CoreParadox",
+		"repository": "https://github.com/CoreParadox/opendeck-magtran-m3",
+		"description": "An unofficial OpenDeck plugin adding device support for MagTran M3 devices."
+	},
 	"com.glmagalhaes.ulanzi.d200": {
 		"name": "Ulanzi D200",
 		"author": "glmagalhaes, MQuest and MTesseracT",
@@ -1149,4 +1155,4 @@
 		"repository": "https://github.com/zoran-stefanovic/SteamScroll",
 		"description": "Plugin for Elgato Stream Deck + to scroll through installed Steam games and launch them"
 	}
-}
+}