feat: frontend PWA scaffolding with React and Tailwind

frontend/node_modules/es-abstract/2020/floor.js

@@ -0,0 +1,14 @@
+'use strict';
+
+// var modulo = require('./modulo');
+var $floor = require('math-intrinsics/floor');
+
+// http://262.ecma-international.org/11.0/#eqn-floor
+
+module.exports = function floor(x) {
+	// return x - modulo(x, 1);
+	if (typeof x === 'bigint') {
+		return x;
+	}
+	return $floor(x);
+};