Added Logic Gates card

Author: Tech-Tac

banners/logic_gates.png

@@ -37,6 +37,15 @@ <h1 style="margin-block: 0">I'm&nbsp;<span class="tech-tac">Tech-Tac</span>.</h1
     <main>
       <h2 id="projects">My Projects</h2>
       <div class="wrapper">
+        <section>
+          <img src="banners/logic_gates.png" alt="CarGame Screenshot" />
+          <h3>Logic Gates</h3>
+          <p>A little logic gate circuit simulator.</p>
+          <div class="button-group">
+            <a href="https://tech-tac.github.io/logic-gates"><button class="primary">▶&nbsp; Try</button></a>
+            <a href="https://www.github.com/Tech-Tac/logic-gates" target="_blank"><button>Source</button></a>
+          </div>
+        </section>
         <section>
           <img src="banners/cargame.png" alt="CarGame Screenshot" />
           <h3>CarGame</h3>