initial

.eslintrc.js

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+module.exports = {
+  env: {
+    browser: true,
+    es2021: true,
+  },
+  extends: [
+    'plugin:react/recommended',
+    'airbnb',
+  ],
+  parser: '@typescript-eslint/parser',
+  parserOptions: {
+    ecmaFeatures: {
+      jsx: true,
+    },
+    ecmaVersion: 13,
+    sourceType: 'module',
+  },
+  plugins: [
+    'react',
+    '@typescript-eslint',
+  ],
+  rules: {
+    'react/jsx-filename-extension': [1, { extensions: ['.tsx', '.ts'] }],
+    'react/function-component-definition': 'off',
+    'react/require-default-props': 'off',
+    'react/jsx-props-no-spreading': 'off',
+    'no-restricted-exports': 'off',
+    'import/extensions': [
+      'error',
+      'ignorePackages',
+      {
+        js: 'never',
+        jsx: 'never',
+        ts: 'never',
+        tsx: 'never',
+      },
+    ],
+  },
+  settings: {
+    'import/resolver': {
+      node: {
+        extensions: ['.js', '.jsx', '.ts', '.tsx'],
+        moduleDirectory: ['node_modules', 'src/'],
+      },
+    },
+  },
+};

.gitignore

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+node_modules
+lib