feat: Store a session key in the browser's SessionStorage

src/pages/login.tsx

@@ -66,7 +66,8 @@ export default class LoginPage extends React.Component<{}, IState> {
 
         const { username, password } = this.state;
         this.props.login(username, password).then((res) => {
-            // Don't even do anything here!
+            // Set the session key
+            window.sessionStorage.setItem("authKey", "test123");
         }, (err) => {
             load(false);
             showSnackbar("Failed to log in");