chore: fetching & caching vehicles data information

vite.config.ts

@@ -33,6 +33,13 @@ export default defineConfig({
               }
             }
           },
+          {
+            urlPattern: /^https:\/\/stacjownik.spythere.eu\/vehicles/i,
+            handler: 'StaleWhileRevalidate',
+            options: {
+              cacheName: 'spythere-vehicles-cache'
+            }
+          },
           {
             urlPattern: /^https:\/\/static.spythere.eu\/.*/i,
             handler: 'CacheFirst',