a cosmetic github link fix

Author: pavel-zhur

HarmonyDB.Playground/HarmonyDB.Playground.Web/Views/Home/Index.cshtml

@@ -54,7 +54,7 @@
         <li>Enriching the database with data on genres, years, countries, allowing to include corresponding filters in queries and view corresponding output from queries, make corresponding grouping of results, etc.</li>
         <li>Work with unknown parameters. Search and evaluate beautiful or unusual songs by unknown parameters, try to identify these parameters and specific features, analyze the resulting data.</li>
         <li>Clustering moods or themes of songs based on lyrics using OpenAI GPT, trying to find relationships between moods and harmonies.</li>
-        <li>Do you have other ideas? I'd love to hear about them. Please post them in the <a href="https://github.com/pavel-zhur/HarmonyDB/discussions">GitHub discussions</a> or contact me using one of the methods below.</li>
+        <li>Do you have other ideas? I'd love to hear about them. Please post them in the <a target="_blank" href="https://github.com/pavel-zhur/HarmonyDB/discussions">GitHub discussions</a> or contact me using one of the methods below.</li>
     </ul>
 </p>