try to fix manifest issues and create responsive app

app/main.py

@@ -433,7 +433,8 @@ def main(page: ft.Page):
                             ft.TextButton("Volver", on_click=lambda _: page.go("/"))
                         ], spacing=15),
                         padding=20,
-                        max_width=800,
+                        # Para compatibilidad con versiones antiguas, usamos width dinámico o restringido
+                        width=800 if page.width > 800 else None,
                         alignment=ft.alignment.top_center,
                         expand=True
                     )

assets/manifest.json

@@ -0,0 +1,23 @@
+{
+    "name": "makerspacepage",
+    "short_name": "makerspace",
+    "icons": [
+        {
+            "src": "icon192x192.png",
+            "sizes": "192x192",
+            "type": "image/png",
+            "purpose": "any maskable"
+        },
+        {
+            "src": "icon-512x512.png",
+            "sizes": "512x512",
+            "type": "image/png",
+            "purpose": "any maskable"
+        }
+    ],
+    "theme_color": "#1a1c1e",
+    "background_color": "#1a1c1e",
+    "display": "standalone",
+    "start_url": ".",
+    "id": "/"
+}