fix: remove xo, migration to eslint

.eslintrc.js

@@ -0,0 +1,56 @@
+module.exports = {
+  extends: [
+    'eslint:recommended',
+    'plugin:import/recommended',
+  ],
+  plugins: ['import'],
+  parserOptions: {
+    ecmaVersion: 'latest',
+  },
+  rules: {
+    'arrow-parens': ['error', 'always'],
+    'object-curly-spacing': ['error', 'always'],
+    'import/first': 'error',
+    'import/newline-after-import': 'error',
+    'import/no-default-export': 'off',
+    'import/no-duplicates': 'error',
+    'import/order': [
+      'error',
+      {
+        'groups': ['builtin', 'external', ['internal', 'index', 'sibling'], 'parent', 'type'],
+        'newlines-between': 'always-and-inside-groups',
+        'alphabetize': {order: 'ignore', caseInsensitive: false}
+      }
+    ],
+    'import/prefer-default-export': 'off',
+    'camelcase': ['error', {properties: 'never'}],
+    'class-methods-use-this': 'off',
+    'lines-around-comment': [
+      'error',
+      {
+        beforeBlockComment: false,
+        afterBlockComment: false,
+        beforeLineComment: false,
+        afterLineComment: false,
+      },
+    ],
+    'max-len': 'off',
+    'no-mixed-operators': 'error',
+    'no-multi-spaces': ['error', {ignoreEOLComments: true}],
+    'no-tabs': 'error',
+    'no-void': 'error',
+    'no-empty': 'off',
+    'prefer-promise-reject-errors': 'off',
+    'quotes': ['error', 'single', {
+      avoidEscape: true,
+      allowTemplateLiterals: false,
+    }],
+    'quote-props': ['error', 'consistent'],
+  },
+  env: {
+    browser: true,
+    node: true,
+    es6: true,
+  },
+  ignorePatterns: ['dist', 'node_modules'],
+};