Introduce tiled layout in the timeline

Signed-off-by: Louis Chemineau <louis@chmn.me>

jest.config.js

@@ -0,0 +1,35 @@
+/*
+ * @copyright Copyright (c) 2022 Louis Chmn <louis@chmn.me>
+ *
+ * @author Louis Chmn <louis@chmn.me>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+// TODO: find a way to consolidate this in one place, with webpack.common.js
+
+module.exports = {
+	testEnvironment: 'jsdom',
+	moduleFileExtensions: [
+		'js',
+		'vue',
+	],
+	transform: {
+		".*\\.(js)$": "babel-jest",
+		"^.+\\.vue$": "vue-jest"
+	}
+}