post base 64 with submitUserData function

src/pages/drawing/index.astro

@@ -472,6 +472,7 @@ import Layout from '../../layouts/Layout.astro';
             // 'game_start' : gameStartTime,
             };
             console.log(userData);
+
             fetch(`https://save-game-data.teachertrainingchennai.in/saveGameData`, {
             method: 'POST',
             headers: {