Update favicon and add PWA

src-pwa/.eslintrc.js

@@ -0,0 +1,17 @@
+const { resolve } = require('path');
+
+module.exports = {
+  parserOptions: {
+    project: resolve(__dirname, './tsconfig.json'),
+  },
+
+  overrides: [
+    {
+      files: ['custom-service-worker.ts'],
+
+      env: {
+        serviceworker: true,
+      },
+    },
+  ],
+};