chore(lint-staged): add lint for ts files [skip ci]

Author: lgaticaq

.lintstagedrc.json

@@ -2,5 +2,8 @@
   "{src,test}/**/*.js": [
     "eslint --fix",
     "prettier-standard"
+  ],
+  "{src,test}/**/*.ts": [
+    "prettier-standard"
   ]
 }