the roi of toilets

public/index.html

@@ -105,6 +105,10 @@
             <h2 id="writings-header">Writings</h2>
             <p>Sometimes I like to jot down ideas and drop them here.</p>
             <ul>
+                <li>
+                    <a href="writings/the-roi-of-toilets.html" target="_blank" rel="noopener noreferrer">The ROI of
+                        toilets</a>
+                </li>
                 <li>
                     <a href="writings/your-customers-dont-care-that-your-bathroom-is-dirty.html" target="_blank"
                         rel="noopener noreferrer">Your customers don't care that your bathroom is dirty</a>