fix: Keep other translations table

docs/spanish/how-to-work-on-coding-challenges.md

@@ -1,3 +1,15 @@
+<table>
+    <tr>
+        <td> Read these guidelines in </td>
+        <td><a href="/CONTRIBUTING.md"> English </a></td>
+        <td><a href="/docs/chinese/CONTRIBUTING.md"> 中文 </a></td>
+        <td><a href="/docs/russian/CONTRIBUTING.md"> русский </a></td>
+        <td><a href="/docs/arabic/CONTRIBUTING.md"> عربى </a></td>
+        <td><a href="/docs/spanish/CONTRIBUTING.md"> Español </a></td>
+        <td><a href="/docs/portuguese/CONTRIBUTING.md"> Português </a></td>
+    </tr>
+</table>
+
 # Cómo trabajar en los Desafíos de Programación
 
 ### Editando en GitHub