docs(compile): add cz to package.json

package.json

@@ -33,12 +33,18 @@
     "grunt-contrib-copy": "^0.8.0"
   },
   "devDependencies": {
+    "cz-conventional-changelog": "^1.1.5",
     "grunt": "~0.4.1",
-    "grunt-module-dependence": "~0.2.0",
+    "grunt-contrib-clean": "~0.5.0",
     "grunt-contrib-concat": "~0.5.0",
-    "grunt-contrib-uglify": "~0.4.0",
     "grunt-contrib-copy": "~0.5.0",
-    "grunt-replace": "~0.8.0",
-    "grunt-contrib-clean": "~0.5.0"
+    "grunt-contrib-uglify": "~0.4.0",
+    "grunt-module-dependence": "~0.2.0",
+    "grunt-replace": "~0.8.0"
+  },
+  "config": {
+    "commitizen": {
+      "path": "./node_modules/cz-conventional-changelog"
+    }
   }
 }
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