Added points merge utility.

src/merge.js

@@ -0,0 +1,25 @@
+const path = require('path');
+const args = require('yargs').argv;
+
+function init() {
+	const scoresA = require(path.resolve(__dirname, args.a));
+	const scoresB = require(path.resolve(__dirname, args.b));
+
+	const sum = {};
+
+	[scoresA, scoresB].forEach((record) => {
+		Object.entries(record).forEach(([game, scores]) => {
+			if (!sum[game]) {
+				sum[game] = {};
+			}
+
+			Object.entries(scores).forEach(([id, score]) => {
+				sum[game][id] = (sum[game][id] || 0) + score;
+			});
+		});
+	});
+
+	console.log(JSON.stringify(sum, null, 4));
+}
+
+init();