feat: Add CalendarSelector component and install new dependencies.

node_modules/better-sqlite3/lib/util.js

@@ -0,0 +1,12 @@
+'use strict';
+
+exports.getBooleanOption = (options, key) => {
+	let value = false;
+	if (key in options && typeof (value = options[key]) !== 'boolean') {
+		throw new TypeError(`Expected the "${key}" option to be a boolean`);
+	}
+	return value;
+};
+
+exports.cppdb = Symbol();
+exports.inspect = Symbol.for('nodejs.util.inspect.custom');