Initialize repository

.eslintrc.cjs

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+/** @type {import('eslint').Linter.Config} */
+module.exports = {
+  extends: ['eslint:recommended', 'plugin:@typescript-eslint/recommended', 'plugin:react-hooks/recommended'],
+  parser: '@typescript-eslint/parser',
+  plugins: ['@typescript-eslint'],
+  root: true,
+  ignorePatterns: ['*.js', '*.cjs', '*.d.ts'],
+  rules: {
+    'indent': ['error', 2],
+    'quotes': ['error', 'single'],
+    'semi': ['error', 'always'],
+    'jsx-quotes': ['error', 'prefer-single'],
+    'space-infix-ops': 'error',
+    'keyword-spacing': 'error',
+    'eol-last': 'error',
+    'comma-dangle': ['error', {
+      'arrays': 'never',
+      'objects': 'only-multiline',
+      'imports': 'never',
+      'exports': 'never',
+      'functions': 'never'
+    }],
+    'object-curly-spacing': 'error',
+    'space-before-function-paren': ['error', 'always'],
+    'space-before-blocks': ['error', 'always'],
+    'arrow-spacing': 'error',
+    '@typescript-eslint/type-annotation-spacing': ['error', {
+      before: false,
+      after: true,
+      overrides: {
+        arrow: {before: true, after: true}
+      }
+    }],
+    'react-hooks/rules-of-hooks': 'error',
+    'react-hooks/exhaustive-deps': 'warn',
+  }
+};

.gitignore

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+# dependencies
+# Ignore workspace node_modules because of vite cache.
+# https://stackoverflow.com/a/74665163/20140921
+node_modules
+
+# production
+/package/dist
+/preview/dist
+
+# editor
+/.vscode
+
+# misc
+.DS_Store
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*