add feed in / out button page and also button to redirect to button page

components/Header.tsx

@@ -98,6 +98,14 @@ const Header: React.FC<HeaderProps> = ({
               ))}
             </select>
           </div>
+          <a
+            href="/button/"
+            title="Feed In/Out Button"
+            className="inline-flex items-center gap-2 px-3 py-1.5 border border-red-200 rounded-md bg-red-50 text-sm font-semibold text-red-700 hover:bg-red-100 hover:border-red-300"
+          >
+            <i className="fa-solid fa-hand-pointer" />
+            <span className="hidden sm:inline">Feed In/Out Button</span>
+          </a>
         </div>
         <div className="flex items-center ml-auto">
           <button