feat(create-contributing): specify section for maintainers only (#75)

Author: oscard0m

lib/create-contributing.js

@@ -59,7 +59,9 @@ npm install https://github.pika.dev/${owner}/${repo}/pr/[PULL REQUEST NUMBER]
 
 Once you are done testing, you can revert back to the default module \`${packageName}\` from npm with \`npm install ${packageName}\`
 
-## Merging the Pull Request & releasing a new version
+## Maintainers only
+
+### Merging the Pull Request & releasing a new version
 
 Releases are automated using [semantic-release](https://github.com/semantic-release/semantic-release).
 The following commit message conventions determine which version is released: