chore(package): update prettier to version 1.13.6

greenkeeper[bot] · greenkeeper[bot] · commit 3cbea3cdd8ae · 2018-06-25T14:26:39.000Z
Closes #34
diff --git a/package.json b/package.json
@@ -23,7 +23,7 @@
     "lerna": "2.8.0",
     "lerna-changelog": "^0.7.0",
     "lint-staged": "^6.0.1",
-    "prettier": "1.12.0",
+    "prettier": "1.13.6",
     "svg-term-cli": "^2.0.3"
   },
   "lint-staged": {
