Created the manifest.json

public/manifest.json

@@ -0,0 +1,31 @@
+{
+  "name": "Sheepstar",
+  "short_name": "Sheepstar",
+  "theme_color": "#2C313A",
+  "background_color": "#2C313A",
+  "display": "browser",
+  "scope": "/",
+  "start_url": "/",
+  "icons": [
+    {
+      "src": "images/logo128.png",
+      "sizes": "128x128",
+      "type": "image/png"
+    },
+    {
+      "src": "images/logo192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    },
+    {
+      "src": "images/logo256.png",
+      "sizes": "256x256",
+      "type": "image/png"
+    },
+    {
+      "src": "images/logo512.png",
+      "sizes": "512x512",
+      "type": "image/png"
+    }
+  ]
+}