Update from create-react-app to next.js

.eslintrc.json

@@ -0,0 +1,3 @@
+{
+  "extends": "next/core-web-vitals"
+}

.gitignore

@@ -1,23 +1,46 @@
+# See https://help.github.com/articles/ignoring-files/ for more about ignoring files.
+
+# dependencies
 /node_modules
-/public/resources/primereact.css
-/public/resources/primereact.min.css
-/public/resources/**/*.map
-/public/resources/images/
-.DS_Store
-/dist
-/build
+/.pnp
+.pnp.js
+package-lock.json
 /vscode
 /.vscode
 /idea
 /.idea
 /.sass-cache
-/resources
-/components
-/src/assets/style/app/App.css
-/src/assets/style/app/App.css.map
-package-lock.json
 
-# Themes
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/dist
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# vercel
+.vercel
+
+# themes
 public/themes/soho-light/
 public/themes/soho-dark/
 public/themes/viva-light/