Add PostgreSQL For Jobseekers to the books page

Per request by the author on pgsql-www@.

Reported-by: Sonia Valeja <[email protected]>
Discussion: https://postgr.es/m/CAJz4NYk03KyOVfw8GXif_2c3f2nmOACbNWBNUy9q5R9kd4mWFA@mail.gmail.com

Author: danielgustafsson

media/img/docs/books/postgresql-for-jobseekers.png

@@ -11,6 +11,21 @@ <h1>Books <i class="fas fa-book"></i></h1>
     </tr>
   </thead>
     <tbody>
+      <tr>
+        <td>
+            <a href="https://www.amazon.com/dp/B0C8Z4C9TQ/">
+              <img src="/media/img/docs/books/postgresql-for-jobseekers.png"
+                   alt="PostgreSQL For Jobseekers book" /></a>
+        </td>
+        <td>
+           <strong>Title</strong>: PostgreSQL for Jobseekers<br />
+           <strong>Authors</strong>: Sonia Valeja, David Gonzalez<br />
+           <strong>Language</strong>: English<br />
+           <strong>Current version at publication</strong>: 15<br />
+           <strong>Format</strong>: Paperback, eBook<br />
+           <strong>Published</strong>: June 2023
+        </td>
+      </tr>
       <tr>
         <td>
             <a href="https://www.packtpub.com/product/postgresql-16-administration-cookbook/9781835460580">