Added maskable icons to PWA

frontend/vite.config.ts

@@ -46,6 +46,18 @@ export default defineConfig((env) => {
               sizes: "512x512",
               type: "image/png"
             },
+            {
+              src: "./icons/pwa-maskable-192x192.png",
+              sizes: "192x192",
+              type: "image/png",
+              purpose: "maskable"
+            },
+            {
+              src: "./icons/pwa-maskable-512x512.png",
+              sizes: "512x512",
+              type: "image/png",
+              purpose: "maskable"
+            }
           ],
           start_url: ".",
           display: "standalone"