fix missing mailto

site/index.html

@@ -91,7 +91,7 @@ <h2>Features</h2>
         <h2>Important</h2>
         <p>At the moment, Cloudy But No Rain is a <b>work in progress</b>.</p>
         <p>If you want to use it, please expect a constantly-shifting user interface, documentation that's missing some pieces around "advanced" features, and even occasional loss of historical analytics data (though I will try my best to avoid this unless it's totally necessary).</p>
-        <p>CBNR is also <b>free to use</b> while it's in alpha. If you'd like an account, just <a href="">send me an email</a> and I'll get you an invite (this small hurdle is just my attempt to keep misuse to a minimum).</p>
+        <p>CBNR is also <b>free to use</b> while it's in alpha. If you'd like an account, just <a href="mailto:brandon@willett.io">send me an email</a> and I'll get you an invite (this small hurdle is just my attempt to keep misuse to a minimum).</p>
       </div>
     </div>
     <div class="w-full bg-[#F7F7EB] flex flex-row items-center justify-center">