Update README.md

Author: BattlefieldDuck

README.md

@@ -1,2 +1,40 @@
 # vue-cli-plugin-cookie
 🍪 Vue CLI 3/4 Plugin for handling browser cookies
+
+### Install
+
+add the cookie plugin with vue-cli or vue-cli UI. `import` and `.use()` will be added to main.js automatically
+```sh
+vue add cookie
+```
+
+### Example Usage
+
+##### Get a cookie
+```js
+this.$cookie.get('jwt_token')
+```
+
+##### Set a cookie
+```js
+this.$cookie.set('jwt_token', 'cookie_data')
+this.$cookie.set('jwt_token', 'cookie_data', { sameSite: 'Lax', expires: '1Y' }) // set SameSite to Lax, Expires to 1 year
+this.$cookie.set('jwt_token', 'One year', { expires: '1Y' })
+this.$cookie.set('jwt_token', 'One month', { expires: '1M' })
+this.$cookie.set('jwt_token', 'One day', { expires: '1D' })
+this.$cookie.set('jwt_token', 'One hour', { expires: '1h' })
+this.$cookie.set('jwt_token', 'One minutes', { expires: '1m' })
+this.$cookie.set('jwt_token', 'One seconds', { expires: '1s' })
+```
+
+##### Remove a cookie on the current domain
+```js
+this.$cookie.remove('jwt_token')
+this.$cookie.delete('jwt_token') // alias of remove
+this.$cookie.remove('jwt_token', { domain: 'parentdomain.com' }) // remove the parent domain's cookie
+```
+
+##### Get all cookies
+```js
+this.$cookie.getAll()
+```