Improved: added manifest file in the app and the icons accordingly (#21)

manifest.json

@@ -0,0 +1,84 @@
+{
+  "name": "HotWax Commerce Company",
+  "short_name": "Company",
+  "theme_color": "#FFFFFF",
+  "icons": [{
+          "src": "public/img/icons/favicon-16x16.png",
+          "sizes": "16x16",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/favicon-32x32.png",
+          "sizes": "32x32",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/android-chrome-152x152.png",
+          "sizes": "152x152",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/android-chrome-maskable-152x152.png",
+          "sizes": "152x152",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/android-chrome-192x192.png",
+          "sizes": "192x192",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/android-chrome-maskable-192x192.png",
+          "sizes": "192x192",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/android-chrome-512x512.png",
+          "sizes": "512x512",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/android-chrome-maskable-512x512.png",
+          "sizes": "512x512",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/apple-touch-icon-60x60.png",
+          "sizes": "60x60",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/apple-touch-icon-76x76.png",
+          "sizes": "76x76",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/apple-touch-icon-120x120.png",
+          "sizes": "120x120",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/apple-touch-icon-152x152.png",
+          "sizes": "152x152",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/apple-touch-icon-180x180.png",
+          "sizes": "180x180",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/msapplication-icon-144x144.png",
+          "sizes": "144x144",
+          "type": "image/png"
+      },
+      {
+          "src": "public/img/icons/mstile-150x150.png",
+          "sizes": "150x150",
+          "type": "image/png"
+      }
+  ],
+  "start_url": "./",
+  "display": "standalone",
+  "background_color": "#000000"
+}