docs: add a link to the blog post

index.html

@@ -121,9 +121,6 @@ <h3 class="demo-title">Demos</h3>
 
 
 
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       <h2>Overview</h2>
 
       <p>Checkboxland is a JavaScript library for rendering anything as HTML checkboxes.</p>
@@ -132,6 +129,8 @@ <h2>Overview</h2>
 
       <p>Checkboxland is dependency-free, framework-agnostic, and fun! 🙃</p>
 
+      <small>Why does this even exist? <a href="https://www.bryanbraun.com/2020/06/06/checkboxland/">Here's some background</a>.</small>
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       <h2>Limitations</h2>
 
       <p>Having lots of elements on a webpage <a href="https://web.dev/dom-size/">can impact runtime performance</a>. Checkboxes are no exception. Checkboxland attempts to mitigate some of these issues, but you'll likely run into performance issues if you are displaying large grids (1500+ checkboxes), and trying to update them rapidly.</p>