add logo and icons

client/public/images/chessu_icon.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" fill="#0F172A" stroke="#F2F7FF" shape-rendering="geometricPrecision" text-rendering="geometricPrecision" image-rendering="optimizeQuality" fill-rule="evenodd" clip-rule="evenodd" viewBox="0 0 288 512.66"><path stroke-width="8" d="M237.84 383.74c13.61 23.9 35.9 48.09 32.29 80.27H17.83c-3.62-32.18 21.67-56.37 35.28-80.27h184.73zM69.68 120.41h148.64c7.51 0 13.66 6.18 13.66 13.66s-6.18 13.66-13.66 13.66H69.68c-7.48 0-13.66-6.15-13.66-13.66s6.15-13.66 13.66-13.66zM120.55 0h48.95v56.29c0 3.87 3.18 7.04 7.04 7.04h24.32c3.86 0 6.32-3.23 7.04-7.04L218.59 0h43.56L244.7 85.8c-4.01 12.59-13.6 18.96-28.35 19.63H66.56c-12.93-.28-20.33-6.82-22.54-19.63L25.85 0h45.62l10.69 56.29c.71 3.81 3.17 7.04 7.03 7.04h24.32c3.86 0 7.04-3.17 7.04-7.04V0zM70.94 162.75c-1.5 60.45-7.75 119.42-22.87 158.47h191.86c-17.59-44.3-24.65-102.49-26.68-158.47H70.94zM46.28 336.2h195.44c8.94 0 16.26 7.36 16.26 16.26v.01c0 8.9-7.36 16.26-16.26 16.26H46.28c-8.9 0-16.26-7.32-16.26-16.26v-.01c0-8.94 7.32-16.26 16.26-16.26zM16.82 479.03h254.36c9.25 0 16.82 7.57 16.82 16.81v.01c0 9.25-7.57 16.81-16.82 16.81H16.82C7.57 512.66 0 505.1 0 495.85v-.01c0-9.24 7.57-16.81 16.82-16.81z"/></svg>

client/public/site.webmanifest

@@ -0,0 +1,14 @@
+{
+  "name": "",
+  "short_name": "",
+  "icons": [
+    {
+      "src": "/android-chrome-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png"
+    }
+  ],
+  "theme_color": "#F2F7FF",
+  "background_color": "#0F172A",
+  "display": "standalone"
+}