chore: configure Commitizen

package.json

@@ -2,6 +2,13 @@
   "name": "scratch-gui",
   "version": "0.1.0",
   "description": "GraphicaL User Interface for creating and running Scratch 3.0 projects",
+  "author": "Massachusetts Institute of Technology",
+  "license": "BSD-3-Clause",
+  "homepage": "https://github.com/LLK/scratch-gui#readme",
+  "repository": {
+    "type": "git",
+    "url": "git+ssh://git@github.com/LLK/scratch-gui.git"
+  },
   "main": "./dist/scratch-gui.js",
   "scripts": {
     "build": "npm run clean && webpack --colors --bail",
@@ -19,12 +26,10 @@
     "test:smoke": "jest --runInBand test[\\\\/]smoke",
     "watch": "webpack --colors --watch"
   },
-  "author": "Massachusetts Institute of Technology",
-  "license": "BSD-3-Clause",
-  "homepage": "https://github.com/LLK/scratch-gui#readme",
-  "repository": {
-    "type": "git",
-    "url": "git+ssh://git@github.com/LLK/scratch-gui.git"
+  "config": {
+    "commitizen": {
+      "path": "cz-conventional-changelog"
+    }
   },
   "dependencies": {
     "arraybuffer-loader": "^1.0.6",