update html and and make use of template for pages

preload.js

@@ -0,0 +1,7 @@
+const { contextBridge } = require('electron')
+
+contextBridge.exposeInMainWorld('versions', {
+  node: () => process.versions.node,
+  chrome: () => process.versions.chrome,
+  electron: () => process.versions.electron
+})