add Abdurehman-kero contributor card

contributors/Abdurehman-kero.html

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+<article>
+  <h3>Abdurehman Kero</h3>
+  <p>I believe the best applications sit at the intersection of clean code and meaningful user experiences. As a Full Stack Developer, I’ve built and deployed scalable applications during an intensive training program and hands-on internship, working across the stack in agile teams. Right now, I’m channeling my passion for problem-solving into the field of Artificial Intelligence—adding new dimensions to my development toolkit. I’m seeking a Full Stack role where I can contribute to innovative projects, collaborate with great teams, and continue growing at the forefront of web development and AI.</p>
+  <h4>Programming languages I use</h4>
+  <section class="container">
+    <div class="badge" style="background-color: #000000; color: white">JavaScript</div>
+    <div class="badge" style="background-color: #f7df1e; color: black;">TypeScript</div>
+  </section>
+
+  <h4>Tools I use</h4>
+  <section class="container">
+    <img class="icon" src="https://cdn.jsdelivr.net/gh/devicons/devicon@latest/icons/bash/bash-original.svg"/>
+    <img class="icon" src="https://cdn.jsdelivr.net/gh/devicons/devicon@latest/icons/linux/linux-original.svg"/>
+  </section>
+</article>
+<style>
+  body {
+    font-family: sans-serif;
+  }
+  .container {
+    display: flex;
+    flex-wrap: wrap;
+    gap: 1rem;
+  }
+  .badge {
+    padding: 0.5rem;
+    border-radius: 0.25rem;
+  }
+  .icon {
+    width: 2rem;
+  }
+</style>