release: bump game and memory versions to 0.7.0

package.json

@@ -1,7 +1,7 @@
 {
   "name": "meatslicer",
   "productName": "MeatSlicer",
-  "version": "0.6.0",
+  "version": "0.7.0",
   "private": true,
   "description": "A Butcher's Descent - clear, harvest, descend.",
   "main": "desktop/main.js",