chore: add netlify redirect

Author: moonrailgun

client/web/assets/_redirects

@@ -0,0 +1 @@
+/* /index.html 200

client/web/build/webpack.config.ts

@@ -80,6 +80,10 @@ const plugins: Configuration['plugins'] = [
         from: path.resolve(ROOT_PATH, './assets/pwa.webmanifest'),
         to: 'pwa.webmanifest',
       },
+      {
+        from: path.resolve(ROOT_PATH, './assets/_redirects'),
+        to: './', // for netlify
+      },
       {
         from: path.resolve(ROOT_PATH, './assets/images/logo/'),
         to: 'images/logo/',