add random delay (fix #1)

src/util.js

@@ -0,0 +1,26 @@
+const reggol = require("reggol")
+const baseLogger = new reggol("GenshinCloudGameHelper")
+let logContent = `` 
+exports.addLogContent = function(content) {
+    logContent += content
+}
+exports.getLogs = function() {
+    return logContent
+}
+
+exports.log = {
+    info(content) {
+        logContent += `<strong style="color: green">[info]</strong> ${content}<br>`
+        baseLogger.info(content)
+    },
+    error(content) {
+        logContent += `<strong style="color: red">[error]</strong> ${content}<br>`
+        baseLogger.error(content)
+    }
+}
+
+exports.sleep = function (delay) {
+    return new Promise((resolve) => {
+      setTimeout(resolve, delay)
+    })
+  }