added electron

preload.js

@@ -0,0 +1,18 @@
+/**
+ * The preload script runs before `index.html` is loaded
+ * in the renderer. It has access to web APIs as well as
+ * Electron's renderer process modules and some polyfilled
+ * Node.js functions.
+ *
+ * https://www.electronjs.org/docs/latest/tutorial/sandbox
+ */
+window.addEventListener('DOMContentLoaded', () => {
+    const replaceText = (selector, text) => {
+      const element = document.getElementById(selector)
+      if (element) element.innerText = text
+    }
+  
+    for (const type of ['chrome', 'node', 'electron']) {
+      replaceText(`${type}-version`, process.versions[type])
+    }
+  })