add day 1

day1/node_modules/has/README.md

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+# has
+
+> Object.prototype.hasOwnProperty.call shortcut
+
+## Installation
+
+```sh
+npm install --save has
+```
+
+## Usage
+
+```js
+var has = require('has');
+
+has({}, 'hasOwnProperty'); // false
+has(Object.prototype, 'hasOwnProperty'); // true
+```