refactor: improve database initialization and news fetching structure

frontend/vite.config.ts

@@ -5,7 +5,6 @@ import vue from '@vitejs/plugin-vue';
 import vueJsx from '@vitejs/plugin-vue-jsx';
 import {defineConfig} from 'vite';
 import vueDevTools from 'vite-plugin-vue-devtools';
-import {VitePWA} from "vite-plugin-pwa";
 
 // https://vite.dev/config/
 export default defineConfig({
@@ -13,22 +12,7 @@ export default defineConfig({
     vue(),
     vueJsx(),
     vueDevTools(),
-    tailwindcss(),
-    VitePWA({
-      registerType: 'autoUpdate',
-      workbox: {
-        runtimeCaching: [
-          {
-            urlPattern: /\/news\?/,
-            handler: 'NetworkFirst',
-            options: {
-              cacheName: 'news-api',
-              networkTimeoutSeconds: 3
-            }
-          }
-        ]
-      }
-    })
+    tailwindcss()
   ],
   build: {outDir: 'dist'},
   resolve: {