[ADD] hardware_shop: added buttons in knowledge article

Author: dhrs-odoo

hardware_shop/data/knowledge_article.xml

@@ -93,6 +93,7 @@
                 <li style="margin-bottom: 20px;">Add your customer, and the product they want.</li>
             </ol>
             <p>That's it. You can now send the quotation by email, or confirm it directly for this demo purpose. This order is now placed.</p>
+            <a class="btn btn-primary mb-2" href="/odoo?tour=sale_order_to_cash_tour" data-bs-original-title="" title="">Sale Flow Tutorial</a>
         <br/><br/>
         <h3>4. Purchase products</h3>
             <p>Now that we have placed all these orders, it's time to purchase missing products.</p>
@@ -101,7 +102,8 @@
                 <li style="margin-bottom: 20px;">You just need to send the Request For Quotation by email, or to confirm it manually once the order is placed.</li>
                 <li style="margin-bottom: 20px;">Once the order is placed, you can see that the top left button switches to "Receive products". Click it to open your receipt order and validate it to confirm that this product is back in stock.</li>
             </ol>
-
+            <a class="btn btn-primary mb-2" href="/odoo?tour=purchase_custom_tour" data-bs-original-title="" title="">Purchase Flow Tutorial</a>
+            <br/>
             <div data-oe-protected="true" class="o_editor_banner o_not_editable lh-1 d-flex align-items-center alert alert-info pb-0 pt-3">
                 <i class="o_editor_banner_icon mb-3 fst-normal">💡</i>
                 <div data-oe-protected="false" class="w-100 ms-3">