Add linters fix #24

.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = false
+insert_final_newline = false
+
+[*.yml]
+indent_size = 2

.eslintignore

@@ -0,0 +1,3 @@
+node_modules/
+dist/
+.github/

.eslintrc.js

@@ -0,0 +1,40 @@
+module.exports = {
+    root: true,
+    extends: [
+        'eslint:recommended',
+        'plugin:prettier/recommended',
+        'plugin:react/recommended',
+        'plugin:compat/recommended',
+        'plugin:unicorn/recommended',
+        'plugin:react-perf/recommended',
+        'plugin:react-hooks/recommended',
+    ],
+    parser: 'babel-eslint',
+    parserOptions: {
+        ecmaVersion: 7,
+        sourceType: 'module',
+        ecmaFeatures: { jsx: true, modules: true },
+    },
+    env: {
+        es6: true,
+        browser: true,
+        jquery: true,
+        commonjs: true,
+    },
+    globals: {
+        __VERSION__: true,
+        __DEVELOPMENT__: true,
+        __PRODUCTION__: true,
+    },
+    plugins: ['prettier', 'react', 'import'],
+    rules: {
+        'prettier/prettier': 'error',
+        'unicorn/no-null': 0,
+        'unicorn/filename-case': 0,
+    },
+    settings: {
+        react: {
+            version: '16',
+        },
+    },
+};

.prettierrc.js

@@ -0,0 +1,7 @@
+module.exports = {
+    printWidth: 80,
+    singleQuote: true,
+    trailingComma: 'es5',
+    tabWidth: 4,
+    semi: true,
+};