Update README.md
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Merge branch 'master' of https://github.com/xjflyttp/yii2-ueditor-widget

Conflicts:
README.md
Merge branch 'master' of https://github.com/xjflyttp/yii2-ueditor-widget
Merge branch 'master' of https://github.com/xjflyttp/yii2-ueditor-widget
Merge branch 'master' of https://github.com/xjflyttp/yii2-ueditor-widget

Conflicts:
	README.md
	Ueditor.php