add eslint

.eslintignore

@@ -0,0 +1,8 @@
+
+# don't ever lint node_modules
+node_modules
+# don't lint build output (make sure it's set to your correct build folder name)
+dist
+# don't lint nyc coverage output
+coverage
+.next

.eslintrc.js

@@ -0,0 +1,18 @@
+module.exports = {
+  root: true,
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  extends: [
+    'eslint:recommended',
+    'plugin:@typescript-eslint/eslint-recommended',
+    'plugin:@typescript-eslint/recommended',
+    'plugin:react/recommended',
+  ],
+  rules: {
+    '@typescript-eslint/explicit-function-return-type': 'off',
+    'react/react-in-jsx-scope': 'off',
+    'react/display-name': 'off',
+    'react/prop-types': 'off',
+    'no-useless-escape': 'off',
+  },
+};