update discord bot link

src/app.tsx

@@ -216,7 +216,7 @@ class App extends React.Component<any, AppState> {
               variant="text"
               color="primary"
               size="medium"
-              href="https://discordapp.com/oauth2/authorize?client_id=547087521968947211&scope=bot"
+              href="https://discordapp.com/api/oauth2/authorize?client_id=547087521968947211&permissions=2048&scope=bot"
               target="_blank">
                 <svg className={styles["button-icon"]} aria-hidden="true" focusable="false" data-prefix="fab" data-icon="discord" role="img" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 448 512" height="24"><path fill="currentColor" d="M297.216 243.2c0 15.616-11.52 28.416-26.112 28.416-14.336 0-26.112-12.8-26.112-28.416s11.52-28.416 26.112-28.416c14.592 0 26.112 12.8 26.112 28.416zm-119.552-28.416c-14.592 0-26.112 12.8-26.112 28.416s11.776 28.416 26.112 28.416c14.592 0 26.112-12.8 26.112-28.416.256-15.616-11.52-28.416-26.112-28.416zM448 52.736V512c-64.494-56.994-43.868-38.128-118.784-107.776l13.568 47.36H52.48C23.552 451.584 0 428.032 0 398.848V52.736C0 23.552 23.552 0 52.48 0h343.04C424.448 0 448 23.552 448 52.736zm-72.96 242.688c0-82.432-36.864-149.248-36.864-149.248-36.864-27.648-71.936-26.88-71.936-26.88l-3.584 4.096c43.52 13.312 63.744 32.512 63.744 32.512-60.811-33.329-132.244-33.335-191.232-7.424-9.472 4.352-15.104 7.424-15.104 7.424s21.248-20.224 67.328-33.536l-2.56-3.072s-35.072-.768-71.936 26.88c0 0-36.864 66.816-36.864 149.248 0 0 21.504 37.12 78.08 38.912 0 0 9.472-11.52 17.152-21.248-32.512-9.728-44.8-30.208-44.8-30.208 3.766 2.636 9.976 6.053 10.496 6.4 43.21 24.198 104.588 32.126 159.744 8.96 8.96-3.328 18.944-8.192 29.44-15.104 0 0-12.8 20.992-46.336 30.464 7.68 9.728 16.896 20.736 16.896 20.736 56.576-1.792 78.336-38.912 78.336-38.912z"/></svg>
                 Discord Bot