hexo-unsplash-credit v1.0.0

hexo-unsplash-credit

Convert this:

{% unsplash span 1 "John Doe" %}

to this:

<span class="unsplash-credit">Photo by <a href="https://unsplash.com/photos/1" target="_blank">John Doe</a> on <a href="https://unsplash.com/" target="_blank">Unsplash</a></span>