add 'decentraland' export. #123

Author: endel

package.json

@@ -34,7 +34,8 @@
       "import": "./build/esm/index.mjs",
       "require": "./build/cjs/index.js"
     },
-    "./package.json": "./package.json"
+    "./package.json": "./package.json",
+    "./decentraland": "./dist/colyseus-decentraland.js"
   },
   "decentralandLibrary": {
     "main": "./dist/colyseus-decentraland.js",