Release version 0.1.2.

package.json

@@ -2,7 +2,7 @@
   "name": "trysmalltalk",
   "title": "TrySmalltalk",
   "description": "Tutorial to learn Smalltalk",
-  "version": "0.1.0",
+  "version": "0.1.2",
   "homepage": "https://github.com/amber-smalltalk/trysmalltalk",
   "author": {
     "name": "",