feat: Enhance backend with request/SQL logging via morgan/winston and fix frontend by correctly rendering email Markdown content using the 'marked' library.

frontend/src/main.js

@@ -1,10 +1,11 @@
 import { createApp, watch } from 'vue'
 import { createPinia } from 'pinia'
 import App from './App.vue'
-import './registerServiceWorker'
 import router from './router'
 import i18n from './i18n'
 import { useLanguageStore } from './stores/language'
+import ElementPlus from 'element-plus'
+import 'element-plus/dist/index.css'
 import './assets/main.css'
 
 const app = createApp(App)
@@ -13,6 +14,7 @@ const pinia = createPinia()
 app.use(pinia)
 app.use(router)
 app.use(i18n)
+app.use(ElementPlus)
 
 const languageStore = useLanguageStore(pinia)