build(CD): create other:changelog script with tested by jest

.eslintignore

@@ -13,3 +13,4 @@ assets/*
 wordpress*
 **/test/*
 **/stories/*
+/bin/plugin/**

bin/plugin/cli.js

@@ -0,0 +1,33 @@
+#!/usr/bin/env node
+
+/**
+ * External dependencies
+ */
+const program = require('commander');
+
+const catchException = (command) => {
+	return async (...args) => {
+		try {
+			await command(...args);
+		} catch (error) {
+			console.error(error);
+			process.exitCode = 1;
+		}
+	};
+};
+
+const { getReleaseChangelog } = require('./commands/changelog');
+
+program
+	.command('release-plugin-changelog')
+	.alias('changelog')
+	.option('-m, --milestone <milestone>', 'Milestone')
+	.option('-t, --token <token>', 'GitHub token')
+	.option(
+		'-u, --unreleased',
+		"Only include PRs that haven't been included in a release yet"
+	)
+	.description('Generates a changelog from merged Pull Requests')
+	.action(catchException(getReleaseChangelog));
+
+program.parse(process.argv);