update README.md
update README.md

209cameronism/ckeditor-npp,gambala/ckeditor,gambala/ckeditor,209cameronism/ckeditor-npp,glebtv/ckeditor,glebtv/ckeditor,209cameronism/ckeditor-npp,galetahub/ckeditor,galetahub/ckeditor,galetahub/ckeditor,gambala/ckeditor,glebtv/ckeditor