chore(githooks): Run npm install on post-checkout hook

package.json

@@ -112,6 +112,7 @@
     "commitmsg": "commitlint -e",
     "compile": "rimraf preset.* release-rules.* types.* aliases.* lib && babel src --source-maps --out-dir .",
     "lint": "eslint src test package.json",
+    "postcheckout": "yarn install || (rimraf && npm install)",
     "precommit": "npm run compile && npm run lint",
     "prepublishOnly": "npm run compile",
     "prepush": "ava -v",