Replace closure compiler plugin with official one

Replace webpack-closure-compiler (deprecated) with closure-webpack-plugin,
which is official closure plugin.
Also, reworked CI.

src/googleAnalytics.ts

@@ -1,5 +1,6 @@
 /* tslint:disable:no-empty */
 /* tslint:disable:only-arrow-functions */
+/** @type {function(...*):void} */
 export let gtag: (...args: any[]) => void = () => {};
 
 if (GOOGLE_ANALYTICS_TAG) {

src/keygen/asus.ts

@@ -2,6 +2,7 @@
 /* tslint:disable:no-bitwise */
 import { makeSolver } from "./utils";
 
+/** @type {function(number=,number=,number=):Array<number>} */
 function initTable(a1: number = 11, a2: number = 19, a3: number = 6): number[] {
     let table: number[] = [];
     const zeroCode = "0".charCodeAt(0);