main: add context bridge communication example via preload script, set nodeIntegration to false by default, improve security

src/renderer/main.ts

@@ -6,6 +6,14 @@ import router from '@/renderer/router'
 import vuetify from '@/renderer/plugins/vuetify'
 import i18n from '@/renderer/plugins/i18n'
 
+// Add API key defined in contextBridge to window object type
+declare global {
+  // eslint-disable-next-line no-unused-vars
+  interface Window {
+    mainApi?: any
+  }
+}
+
 const app = createApp(App)
 
 app.use(vuetify).use(i18n).use(router).use(createPinia())