Initialise yarn package

package.json

+{
+  "name": "augmentile",
+  "version": "0.1.0-alpha",
+  "description": "Augment matrix rooms with a tile map game",
+  "main": "index.js",
+  "repository": "https://edugit.org/auglement/augmentile",
+  "author": "Dominik George <nik@naturalnet.de>",
+  "license": "Apache-2.0",
+  "private": false
+}