feature: 支持commonJS模块引入和es模块引入，支持tree-shaking

Author: shallinta

Diff for: .DS_Store

@@ -0,0 +1,4 @@
+/.tmp/**
+/docs/**
+/dist/**
+/node_modules/**

Diff for: .eslintignore

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+module.exports = {
+  extends: [
+    'eslint-config-airbnb-base',
+    'eslint-config-airbnb'
+  ].map(require.resolve),
+  plugins: [
+    'react-hooks' // eslint-plugin-react-hooks 对react hooks语法的规范提示
+  ],
+  rules: {
+    'react-hooks/rules-of-hooks': 'error',
+    'eol-last': 'off',
+    'comma-dangle': 'off',
+    'import/no-unresolved': ['error', { ignore: ['react'] }]
+  }
+};

Diff for: .eslintrc.js

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+npm-debug.log
+node_modules/
+/.tmp/
+.env

Diff for: .gitignore

@@ -1,3 +1,12 @@
-# Smarty Custom React Hooks
+# Smarty React Hooks
 
-> 自己项目中使用的自定义react-hooks
+> 自己项目中使用的自定义react-hooks. 使用rollup打包。
+
+## hooks list
+> 功能及使用说明见源码文件顶部注释  
+
+- useAnimation
+- useAsyncDebounce
+- useAsync
+- useCountdown
+- useInput

Diff for: README.md

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+module.exports = {
+  presets: [
+    [
+      '@babel/preset-env',
+      {
+        // useBuiltIns: 'usage',
+        modules: false,
+        targets: {
+          browsers: [
+            '> 1%',
+            'Android >= 4.4',
+            'IOS >= 7',
+            'ie >= 9'
+          ]
+        }
+      }
+    ]
+  ]
+};