add support for columns without buttons

closes https://github.com/sqlpage/SQLPage/issues/851

CHANGELOG.md

@@ -19,6 +19,8 @@
 - fix a crash when manipulating TINYINTs from microsoft sql server
 - update sqlparser to 0.55: https://github.com/apache/datafusion-sqlparser-rs/blob/main/changelog/0.55.0.md
 - fix a diplay issue when using intra-page anchor links inside tables with fixed headers
+- Columns without buttons
+  - In the columns component, when no button text is specified, no button is displayed (instead of an empty button)
 
 ## 0.33.1 (2025-02-25)
 

sqlpage/templates/columns.handlebars

@@ -31,9 +31,11 @@
             {{/each}}
           </ul>
         </div>
+        {{#if button_text}}
         <div class="text-center">
           <a href="{{link}}" {{#if target}}target="{{target}}"{{/if}} class="btn w-100 {{#if button_color}}btn-{{button_color}}{{/if}}">{{button_text}}</a> 
         </div>
+        {{/if}}
       </div>
     </div>
   </div>