fix: codemod args

Author: remy

package.json

@@ -7,7 +7,7 @@
     "dev": "hugo -D serve -p 5000",
     "build": "npm run hugo && npm run codemod",
     "hugo": "hugo",
-    "codemod": "perl -p -i -e 's@src=\"\\/([^/])@src=\"https://help.jsbin.com/\\1@g' public/**/*.html"
+    "codemod": "perl -pi -e 's@src=\"\\/([^/])@src=\"https://help.jsbin.com/\\1@g' public/**/*.html"
   },
   "repository": {
     "type": "git",