Fix demo footer links to loadSidebarV2 docs on master branch.

The repo default branch is master; blob/main URLs returned 404.

Author: matipojo

demo/index.html

@@ -121,7 +121,7 @@ <h1>Angie SDK demos</h1>
     <footer>
       <a href="https://github.com/elementor/angie-sdk">View on GitHub</a>
       ·
-      <a href="https://github.com/elementor/angie-sdk/blob/main/src/load-sidebar-v2/README.md">loadSidebarV2 docs</a>
+      <a href="https://github.com/elementor/angie-sdk/blob/master/src/load-sidebar-v2/README.md">loadSidebarV2 docs</a>
     </footer>
   </div>
 </body>

demo/load-sidebar-v2-full-config/index.html

@@ -138,7 +138,7 @@ <h2 class="demo-card-title">Try Angie on this screen</h2>
         ·
         <a href="../">All demos</a>
         ·
-        <a href="https://github.com/elementor/angie-sdk/blob/main/src/load-sidebar-v2/README.md">loadSidebarV2 docs</a>
+        <a href="https://github.com/elementor/angie-sdk/blob/master/src/load-sidebar-v2/README.md">loadSidebarV2 docs</a>
       </p>
     </footer>
   </div>