Migrate to Next.js, latest @mui packages and update design system

Author: ionut-becheru

.editorconfig

@@ -0,0 +1,14 @@
+{
+  "extends": "next/core-web-vitals",
+  "rules": {
+    "@next/next/no-img-element": "off",
+    "jsx-a11y/alt-text": "off",
+    "react/display-name": "off",
+    "react/jsx-max-props-per-line": [
+      1,
+      {
+        "maximum": 1
+      }
+    ]
+  }
+}

.env.example

@@ -10,15 +10,18 @@
 
 # production
 /build
+out
+.next
 
 # misc
 .DS_Store
+.eslintcache
+.idea
 /.env
 /.env.local
 /.env.development.local
 /.env.test.local
 /.env.production.local
-.idea
 
 npm-debug.log*
 yarn-debug.log*

.eslintrc

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 Devias
+Copyright (c) 2021 Devias
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal