Merge pull request #118 from mhansma96/main

Assigned missing dismiss button function to dismiss button

src/components/pages/OverviewPage.svelte

@@ -8,7 +8,7 @@
     <p style="max-width: none; margin: 0;">
       Welcome to the <a href="https://github.com/w3c/wai-wcag-em-report-tool/wiki/Changelog:-What's-new-in-the-2021-redesign-of-the-WCAG-EM-Report-Tool">updated</a> WCAG-EM Report Tool. You can open your existing reports with this tool. The <a href="https://w3c.github.io/wcag-em-report-tool/">previous version</a> is available, and is no longer supported. 
     </p>
-    <button style="margin-left: 1em;" type="button" class="button-secondary">Dismiss</button>  </div>
+    <button on:click="{dismissPreviousVersionMessage}" style="margin-left: 1em;" type="button" class="button-secondary">Dismiss</button>  </div>
   {/if}
 
   <div class="getting-started">