Added manifest
diff --git a/manifest.json b/manifest.json
new file mode 100644
index 0000000..0a57ac7
--- /dev/null
+++ b/manifest.json
@@ -0,0 +1,20 @@
+{

+  "short_name": "Seients DAFME",

+  "name": "App per la traçabilitat del COVID a la FME",

+  "icons": [

+    {

+      "src": "images/icon-128.png",

+      "type": "image/png",

+      "sizes": "128x128"

+    },

+    {

+      "src": "images/icon-64.png",

+      "type": "image/png",

+      "sizes": "128x128"

+    }

+  ],

+  "background_color": "#ffffff",

+  "theme_color": "#ffffff",

+  "display": "fullscreen",

+  "start_url": "index.html?utm_source=homescreen"

+}
\ No newline at end of file